22121020021010 has 128 divisors (see below), whose sum is σ = 41484689326080. Its totient is φ = 8487129321216.

The previous prime is 22121020020973. The next prime is 22121020021039. The reversal of 22121020021010 is 1012002012122.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3458027132 + ... + 3458033528.

It is an arithmetic number, because the mean of its divisors is an integer number (324099135360).

Almost surely, 2^{22121020021010} is an apocalyptic number.

22121020021010 is a deficient number, since it is larger than the sum of its proper divisors (19363669305070).

22121020021010 is a wasteful number, since it uses less digits than its factorization.

22121020021010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7192.

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

Adding to 22121020021010 its reverse (1012002012122), we get a palindrome (23133022033132).

The spelling of 22121020021010 in words is "twenty-two trillion, one hundred twenty-one billion, twenty million, twenty-one thousand, ten".