22202011022121 has 16 divisors (see below), whose sum is σ = 37590706492800. Its totient is φ = 12686863441104.

The previous prime is 22202011022117. The next prime is 22202011022129. The reversal of 22202011022121 is 12122011020222.

It is a happy number.

22202011022121 is a `hidden beast` number, since 2 + 220 + 201 + 1 + 0 + 221 + 21 = 666.

It is not a de Polignac number, because 22202011022121 - 2² = 22202011022117 is a prime.

It is a super-3 number, since 3×22202011022121³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22202011022094 and 22202011022103.

It is not an unprimeable number, because it can be changed into a prime (22202011022129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58735478706 + ... + 58735479083.

It is an arithmetic number, because the mean of its divisors is an integer number (2349419155800).

Almost surely, 2^{22202011022121} is an apocalyptic number.

22202011022121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22202011022121 is a deficient number, since it is larger than the sum of its proper divisors (15388695470679).

22202011022121 is a wasteful number, since it uses less digits than its factorization.

22202011022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117470957805 (or 117470957799 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22202011022121 its reverse (12122011020222), we get a palindrome (34324022042343).

The spelling of 22202011022121 in words is "twenty-two trillion, two hundred two billion, eleven million, twenty-two thousand, one hundred twenty-one".