202202022121210 has 128 divisors (see below), whose sum is σ = 400752172339200. Its totient is φ = 73179748857600.

The previous prime is 202202022121207. The next prime is 202202022121219. The reversal of 202202022121210 is 12121220202202.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (202202022121219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 403322976 + ... + 403824004.

It is an arithmetic number, because the mean of its divisors is an integer number (3130876346400).

Almost surely, 2^{202202022121210} is an apocalyptic number.

202202022121210 is a deficient number, since it is larger than the sum of its proper divisors (198550150217990).

202202022121210 is a wasteful number, since it uses less digits than its factorization.

202202022121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502196.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 202202022121210 its reverse (12121220202202), we get a palindrome (214323242323412).

The spelling of 202202022121210 in words is "two hundred two trillion, two hundred two billion, twenty-two million, one hundred twenty-one thousand, two hundred ten".