20212020111202 has 16 divisors (see below), whose sum is σ = 31005780969600. Its totient is φ = 9879292940400.

The previous prime is 20212020111181. The next prime is 20212020111251. The reversal of 20212020111202 is 20211102021202.

It is a happy 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 in 7 ways as a sum of consecutive naturals, for example, 633272052 + ... + 633303967.

It is an arithmetic number, because the mean of its divisors is an integer number (1937861310600).

Almost surely, 2^{20212020111202} is an apocalyptic number.

20212020111202 is a deficient number, since it is larger than the sum of its proper divisors (10793760858398).

20212020111202 is a wasteful number, since it uses less digits than its factorization.

20212020111202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266576201.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20212020111202 its reverse (20211102021202), we get a palindrome (40423122132404).

Subtracting from 20212020111202 its reverse (20211102021202), we obtain a square (918090000 = 30300²).

The spelling of 20212020111202 in words is "twenty trillion, two hundred twelve billion, twenty million, one hundred eleven thousand, two hundred two".