20212111202 has 32 divisors (see below), whose sum is σ = 31404844800. Its totient is φ = 9749963520.

The previous prime is 20212111187. The next prime is 20212111207. The reversal of 20212111202 is 20211121202.

It is not an unprimeable number, because it can be changed into a prime (20212111207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2721398 + ... + 2728814.

It is an arithmetic number, because the mean of its divisors is an integer number (981401400).

Almost surely, 2^20212111202 is an apocalyptic number.

20212111202 is a deficient number, since it is larger than the sum of its proper divisors (11192733598).

20212111202 is a wasteful number, since it uses less digits than its factorization.

20212111202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7826.

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

Adding to 20212111202 its reverse (20211121202), we get a palindrome (40423232404).

The spelling of 20212111202 in words is "twenty billion, two hundred twelve million, one hundred eleven thousand, two hundred two".