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1111241104220 = 2251327291566143
BaseRepresentation
bin10000001010111011001…
…000011001101101011100
310221020022022012000210002
4100022323020121231130
5121201310210313340
62210255213233432
7143166406352102
oct20127310315534
93836268160702
101111241104220
113993026a6a75
1215b448492878
1380a3594c230
143bada3b9c72
151dd8c7b8715
hex102bb219b5c

1111241104220 has 48 divisors (see below), whose sum is σ = 2514036994560. Its totient is φ = 410153796096.

The previous prime is 1111241104219. The next prime is 1111241104231. The reversal of 1111241104220 is 224011421111.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1111241104192 and 1111241104201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73532 + ... + 1492611.

It is an arithmetic number, because the mean of its divisors is an integer number (52375770720).

Almost surely, 21111241104220 is an apocalyptic number.

1111241104220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111241104220 is an abundant number, since it is smaller than the sum of its proper divisors (1402795890340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1111241104220 is a wasteful number, since it uses less digits than its factorization.

1111241104220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568894 (or 1568892 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 1111241104220 its reverse (224011421111), we get a palindrome (1335252525331).

The spelling of 1111241104220 in words is "one trillion, one hundred eleven billion, two hundred forty-one million, one hundred four thousand, two hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 2729 5458 10916 13645 27290 35477 54580 70954 141908 177385 354770 709540 1566143 3132286 6264572 7830715 15661430 20359859 31322860 40719718 81439436 101799295 203598590 407197180 4274004247 8548008494 17096016988 21370021235 42740042470 55562055211 85480084940 111124110422 222248220844 277810276055 555620552110 1111241104220