1102111101012 has 24 divisors (see below), whose sum is σ = 2571642961216. Its totient is φ = 367363168128.

The previous prime is 1102111100957. The next prime is 1102111101079. The reversal of 1102111101012 is 2101011112011.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242773 + ... + 1504380.

Almost surely, 2^{1102111101012} is an apocalyptic number.

1102111101012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1102111101012 is an abundant number, since it is smaller than the sum of its proper divisors (1469531860204).

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

1102111101012 is a wasteful number, since it uses less digits than its factorization.

1102111101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1799727 (or 1799725 counting only the distinct ones).

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

Adding to 1102111101012 its reverse (2101011112011), we get a palindrome (3203122213023).

The spelling of 1102111101012 in words is "one trillion, one hundred two billion, one hundred eleven million, one hundred one thousand, twelve".