1020211102112 has 48 divisors (see below), whose sum is σ = 2121549357312. Its totient is φ = 482170268160.

The previous prime is 1020211102111. The next prime is 1020211102117. The reversal of 1020211102112 is 2112011120201.

It is not an unprimeable number, because it can be changed into a prime (1020211102111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11915933 + ... + 12001244.

It is an arithmetic number, because the mean of its divisors is an integer number (44198944944).

Almost surely, 2^{1020211102112} is an apocalyptic number.

It is an amenable number.

1020211102112 is an abundant number, since it is smaller than the sum of its proper divisors (1101338255200).

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

1020211102112 is a wasteful number, since it uses less digits than its factorization.

1020211102112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23917261 (or 23917253 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1020211102112 its reverse (2112011120201), we get a palindrome (3132222222313).

The spelling of 1020211102112 in words is "one trillion, twenty billion, two hundred eleven million, one hundred two thousand, one hundred twelve".