1102100111112 has 128 divisors (see below), whose sum is σ = 3699357096960. Its totient is φ = 264239781120.

The previous prime is 1102100111111. The next prime is 1102100111129. The reversal of 1102100111112 is 2111110012011.

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

It is not an unprimeable number, because it can be changed into a prime (1102100111111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22913458 + ... + 22961505.

It is an arithmetic number, because the mean of its divisors is an integer number (28901227320).

Almost surely, 2^{1102100111112} is an apocalyptic number.

1102100111112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1102100111112 is an abundant number, since it is smaller than the sum of its proper divisors (2597256985848).

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

1102100111112 is a wasteful number, since it uses less digits than its factorization.

1102100111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45875003 (or 45874999 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 1102100111112 its reverse (2111110012011), we get a palindrome (3213210123123).

The spelling of 1102100111112 in words is "one trillion, one hundred two billion, one hundred million, one hundred eleven thousand, one hundred twelve".