111010101102 has 16 divisors (see below), whose sum is σ = 246689113680. Its totient is φ = 37003367016.

The previous prime is 111010101101. The next prime is 111010101149. The reversal of 111010101102 is 201101010111.

It is a super-2 number, since 2×111010101102² (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111010101101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1027871253 + ... + 1027871360.

It is an arithmetic number, because the mean of its divisors is an integer number (15418069605).

Almost surely, 2^111010101102 is an apocalyptic number.

111010101102 is an abundant number, since it is smaller than the sum of its proper divisors (135679012578).

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

111010101102 is a wasteful number, since it uses less digits than its factorization.

111010101102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055742624 (or 2055742618 counting only the distinct ones).

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

Adding to 111010101102 its reverse (201101010111), we get a palindrome (312111111213).

Subtracting 111010101102 from its reverse (201101010111), we obtain a palindrome (90090909009).

The spelling of 111010101102 in words is "one hundred eleven billion, ten million, one hundred one thousand, one hundred two".