10202020021112 has 8 divisors (see below), whose sum is σ = 19128787539600. Its totient is φ = 5101010010552.

The previous prime is 10202020021103. The next prime is 10202020021129. The reversal of 10202020021112 is 21112002020201.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×10202020021112² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 637626251312 + ... + 637626251327.

It is an arithmetic number, because the mean of its divisors is an integer number (2391098442450).

Almost surely, 2^{10202020021112} is an apocalyptic number.

It is an amenable number.

10202020021112 is a deficient number, since it is larger than the sum of its proper divisors (8926767518488).

10202020021112 is a wasteful number, since it uses less digits than its factorization.

10202020021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275252502645 (or 1275252502641 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10202020021112 its reverse (21112002020201), we get a palindrome (31314022041313).

The spelling of 10202020021112 in words is "ten trillion, two hundred two billion, twenty million, twenty-one thousand, one hundred twelve".