202220121121011 has 64 divisors (see below), whose sum is σ = 354703811420160. Its totient is φ = 111423087354240.

The previous prime is 202220121120991. The next prime is 202220121121033. The reversal of 202220121121011 is 110121121022202.

202220121121011 is a `hidden beast` number, since 20 + 2 + 220 + 1 + 211 + 210 + 1 + 1 = 666.

It is not a de Polignac number, because 202220121121011 - 2²⁶ = 202220054012147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202220121121091) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 60677496 + ... + 63923381.

It is an arithmetic number, because the mean of its divisors is an integer number (5542247053440).

Almost surely, 2^{202220121121011} is an apocalyptic number.

202220121121011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

202220121121011 is a deficient number, since it is larger than the sum of its proper divisors (152483690299149).

202220121121011 is a wasteful number, since it uses less digits than its factorization.

202220121121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124601201 (or 124601195 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 202220121121011 its reverse (110121121022202), we get a palindrome (312341242143213).

The spelling of 202220121121011 in words is "two hundred two trillion, two hundred twenty billion, one hundred twenty-one million, one hundred twenty-one thousand, eleven".