20212211221202 has 64 divisors (see below), whose sum is σ = 40942412630784. Its totient is φ = 7227108714240.

The previous prime is 20212211221159. The next prime is 20212211221211.

20212211221202 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28832873 + ... + 29525564.

It is an arithmetic number, because the mean of its divisors is an integer number (639725197356).

Almost surely, 2^{20212211221202} is an apocalyptic number.

20212211221202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20212211221202 is an abundant number, since it is smaller than the sum of its proper divisors (20730201409582).

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

20212211221202 is a wasteful number, since it uses less digits than its factorization.

20212211221202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58358643.

The product of its (nonzero) digits is 256, while the sum is 20.

It can be divided in two parts, 2021221 and 1221202, that added together give a palindrome (3242423).

The spelling of 20212211221202 in words is "twenty trillion, two hundred twelve billion, two hundred eleven million, two hundred twenty-one thousand, two hundred two".