1011102020112 has 20 divisors (see below), whose sum is σ = 2612013552080. Its totient is φ = 337034006688.

The previous prime is 1011102020069. The next prime is 1011102020119. The reversal of 1011102020112 is 2110202011101.

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 (1011102020119) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10532312662 + ... + 10532312757.

It is an arithmetic number, because the mean of its divisors is an integer number (130600677604).

Almost surely, 2^{1011102020112} is an apocalyptic number.

1011102020112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1011102020112 is an abundant number, since it is smaller than the sum of its proper divisors (1600911531968).

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

1011102020112 is a wasteful number, since it uses less digits than its factorization.

1011102020112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21064625430 (or 21064625424 counting only the distinct ones).

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

Adding to 1011102020112 its reverse (2110202011101), we get a palindrome (3121304031213).

The spelling of 1011102020112 in words is "one trillion, eleven billion, one hundred two million, twenty thousand, one hundred twelve".