1111102020012 has 12 divisors (see below), whose sum is σ = 2592571380056. Its totient is φ = 370367340000.

The previous prime is 1111102019983. The next prime is 1111102020019. The reversal of 1111102020012 is 2100202011111.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 92591835001 = 1111102020012 / (1 + 1 + 1 + 1 + 1 + 0 + 2 + 0 + 2 + 0 + 0 + 1 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 1111102020012.

It is not an unprimeable number, because it can be changed into a prime (1111102020019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46295917489 + ... + 46295917512.

Almost surely, 2^{1111102020012} is an apocalyptic number.

1111102020012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1111102020012 is an abundant number, since it is smaller than the sum of its proper divisors (1481469360044).

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

1111102020012 is a wasteful number, since it uses less digits than its factorization.

1111102020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92591835008 (or 92591835006 counting only the distinct ones).

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

Adding to 1111102020012 its reverse (2100202011111), we get a palindrome (3211304031123).

The spelling of 1111102020012 in words is "one trillion, one hundred eleven billion, one hundred two million, twenty thousand, twelve".