111010100100102 has 48 divisors (see below), whose sum is σ = 274924778637600. Its totient is φ = 31712253071616.

The previous prime is 111010100100083. The next prime is 111010100100127. The reversal of 111010100100102 is 201001001010111.

It is a Harshad number since it is a multiple of its sum of digits (9).

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 23 ways as a sum of consecutive naturals, for example, 67495113 + ... + 69120260.

It is an arithmetic number, because the mean of its divisors is an integer number (5727599554950).

Almost surely, 2^{111010100100102} is an apocalyptic number.

111010100100102 is an abundant number, since it is smaller than the sum of its proper divisors (163914678537498).

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

111010100100102 is a wasteful number, since it uses less digits than its factorization.

111010100100102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136621837 (or 136621834 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 111010100100102 its reverse (201001001010111), we get a palindrome (312011101110213).

The spelling of 111010100100102 in words is "one hundred eleven trillion, ten billion, one hundred million, one hundred thousand, one hundred two".