120111000102 has 24 divisors (see below), whose sum is σ = 267274028736. Its totient is φ = 38954918736.

The previous prime is 120111000083. The next prime is 120111000109. The reversal of 120111000102 is 201000111021.

It is a happy number.

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 (120111000109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90172758 + ... + 90174089.

It is an arithmetic number, because the mean of its divisors is an integer number (11136417864).

Almost surely, 2^120111000102 is an apocalyptic number.

120111000102 is an abundant number, since it is smaller than the sum of its proper divisors (147163028634).

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

120111000102 is a wasteful number, since it uses less digits than its factorization.

120111000102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180346892 (or 180346889 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 120111000102 its reverse (201000111021), we get a palindrome (321111111123).

The spelling of 120111000102 in words is "one hundred twenty billion, one hundred eleven million, one hundred two", and thus it is an aban number.