111002102120100 has 36 divisors (see below), whose sum is σ = 321166082135024. Its totient is φ = 29600560565280.

The previous prime is 111002102120099. The next prime is 111002102120191. The reversal of 111002102120100 is 1021201200111.

It is a super-2 number, since 2×111002102120100² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 185003503234 + ... + 185003503833.

Almost surely, 2^{111002102120100} is an apocalyptic number.

111002102120100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111002102120100 is an abundant number, since it is smaller than the sum of its proper divisors (210163980014924).

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

111002102120100 is a wasteful number, since it uses less digits than its factorization.

111002102120100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370007007084 (or 370007007077 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 111002102120100 its reverse (1021201200111), we get a palindrome (112023303320211).

The spelling of 111002102120100 in words is "one hundred eleven trillion, two billion, one hundred two million, one hundred twenty thousand, one hundred".