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1110021220101 = 31997200763469
BaseRepresentation
bin10000001001110010011…
…010111010011100000101
310221010011021202111100210
4100021302122322130011
5121141310413020401
62205534155030033
7143124234456453
oct20116232723405
93833137674323
101110021220101
11398837049a82
1215b167a3b319
138089ccb5301
143ba223919d3
151dd1a6514d6
hex102726ba705

1110021220101 has 16 divisors (see below), whose sum is σ = 1573985604800. Its totient is φ = 693838545408.

The previous prime is 1110021220073. The next prime is 1110021220109. The reversal of 1110021220101 is 1010221200111.

It is not a de Polignac number, because 1110021220101 - 29 = 1110021219589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110021220109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100376206 + ... + 100387263.

It is an arithmetic number, because the mean of its divisors is an integer number (98374100300).

Almost surely, 21110021220101 is an apocalyptic number.

It is an amenable number.

1110021220101 is a deficient number, since it is larger than the sum of its proper divisors (463964384699).

1110021220101 is a wasteful number, since it uses less digits than its factorization.

1110021220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200763588.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1110021220101 its reverse (1010221200111), we get a palindrome (2120242420212).

The spelling of 1110021220101 in words is "one trillion, one hundred ten billion, twenty-one million, two hundred twenty thousand, one hundred one".

Divisors: 1 3 19 57 97 291 1843 5529 200763469 602290407 3814505911 11443517733 19474056493 58422169479 370007073367 1110021220101