100122113511 has 18 divisors (see below), whose sum is σ = 168232395552. Its totient is φ = 57212636040.

The previous prime is 100122113471. The next prime is 100122113519. The reversal of 100122113511 is 115311221001.

100122113511 is a `hidden beast` number, since 100 + 1 + 2 + 211 + 351 + 1 = 666.

It is not a de Polignac number, because 100122113511 - 2²³ = 100113724903 is a prime.

It is a super-2 number, since 2×100122113511² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100122113519) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 113516695 + ... + 113517576.

Almost surely, 2^100122113511 is an apocalyptic number.

100122113511 is a deficient number, since it is larger than the sum of its proper divisors (68110282041).

100122113511 is a wasteful number, since it uses less digits than its factorization.

100122113511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227034291 (or 227034281 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 18.

Adding to 100122113511 its reverse (115311221001), we get a palindrome (215433334512).

The spelling of 100122113511 in words is "one hundred billion, one hundred twenty-two million, one hundred thirteen thousand, five hundred eleven".