22121010100202 has 16 divisors (see below), whose sum is σ = 36494235977472. Its totient is φ = 9992469373680.

The previous prime is 22121010100183. The next prime is 22121010100207. The reversal of 22121010100202 is 20200101012122.

It is not an unprimeable number, because it can be changed into a prime (22121010100207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9051148574 + ... + 9051151017.

It is an arithmetic number, because the mean of its divisors is an integer number (2280889748592).

Almost surely, 2^{22121010100202} is an apocalyptic number.

22121010100202 is a deficient number, since it is larger than the sum of its proper divisors (14373225877270).

22121010100202 is a wasteful number, since it uses less digits than its factorization.

22121010100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18102299653.

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

Adding to 22121010100202 its reverse (20200101012122), we get a palindrome (42321111112324).

The spelling of 22121010100202 in words is "twenty-two trillion, one hundred twenty-one billion, ten million, one hundred thousand, two hundred two".