Search a number
-
+
1220101011110 = 251914943097881
BaseRepresentation
bin10001110000010011101…
…011111111011010100110
311022122021221022021102102
4101300103223333122212
5124442231324323420
62332301235012102
7154102145322662
oct21602353773246
94278257267372
101220101011110
11430495238273
1217856943a032
138b093b9b417
14430a5dc58a2
1521b0e75aa75
hex11c13aff6a6

1220101011110 has 32 divisors (see below), whose sum is σ = 2327285628000. Its totient is φ = 459251009280.

The previous prime is 1220101011047. The next prime is 1220101011139. The reversal of 1220101011110 is 111101010221.

It is a junction number, because it is equal to n+sod(n) for n = 1220101011091 and 1220101011100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21520631 + ... + 21577250.

It is an arithmetic number, because the mean of its divisors is an integer number (72727675875).

Almost surely, 21220101011110 is an apocalyptic number.

1220101011110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220101011110 is a deficient number, since it is larger than the sum of its proper divisors (1107184616890).

1220101011110 is a wasteful number, since it uses less digits than its factorization.

1220101011110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43098056.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1220101011110 its reverse (111101010221), we get a palindrome (1331202021331).

The spelling of 1220101011110 in words is "one trillion, two hundred twenty billion, one hundred one million, eleven thousand, one hundred ten".

Divisors: 1 2 5 10 19 38 95 149 190 298 745 1490 2831 5662 14155 28310 43097881 86195762 215489405 430978810 818859739 1637719478 4094298695 6421584269 8188597390 12843168538 32107921345 64215842690 122010101111 244020202222 610050505555 1220101011110