202100221221010 has 64 divisors (see below), whose sum is σ = 424761210593280. Its totient is φ = 67790629713600.

The previous prime is 202100221221007. The next prime is 202100221221049. The reversal of 202100221221010 is 10122122001202.

It is a happy number.

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, 3647320 + ... + 20432899.

It is an arithmetic number, because the mean of its divisors is an integer number (6636893915520).

Almost surely, 2^{202100221221010} is an apocalyptic number.

202100221221010 is an abundant number, since it is smaller than the sum of its proper divisors (222660989372270).

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

202100221221010 is a wasteful number, since it uses less digits than its factorization.

202100221221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24082831.

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

Adding to 202100221221010 its reverse (10122122001202), we get a palindrome (212222343222212).

The spelling of 202100221221010 in words is "two hundred two trillion, one hundred billion, two hundred twenty-one million, two hundred twenty-one thousand, ten".