1102111211012 has 48 divisors (see below), whose sum is σ = 2342756908800. Its totient is φ = 442858708992.

The previous prime is 1102111210999. The next prime is 1102111211107. The reversal of 1102111211012 is 2101121112011.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4276637 + ... + 4527012.

It is an arithmetic number, because the mean of its divisors is an integer number (48807435600).

Almost surely, 2^{1102111211012} is an apocalyptic number.

It is an amenable number.

1102111211012 is an abundant number, since it is smaller than the sum of its proper divisors (1240645697788).

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

1102111211012 is a wasteful number, since it uses less digits than its factorization.

1102111211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8803940 (or 8803938 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1102111211012 its reverse (2101121112011), we get a palindrome (3203232323023).

Subtracting 1102111211012 from its reverse (2101121112011), we obtain a palindrome (999009900999).

The spelling of 1102111211012 in words is "one trillion, one hundred two billion, one hundred eleven million, two hundred eleven thousand, twelve".