202102222120011 has 24 divisors (see below), whose sum is σ = 292731216614720. Its totient is φ = 134362940092416.

The previous prime is 202102222119997. The next prime is 202102222120049. The reversal of 202102222120011 is 110021222201202.

It is a happy number.

202102222120011 is a `hidden beast` number, since 2 + 0 + 210 + 22 + 221 + 200 + 11 = 666.

It is not a de Polignac number, because 202102222120011 - 2⁶ = 202102222119947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202102222120081) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93626571 + ... + 95760843.

Almost surely, 2^{202102222120011} is an apocalyptic number.

202102222120011 is a deficient number, since it is larger than the sum of its proper divisors (90628994494709).

202102222120011 is a wasteful number, since it uses less digits than its factorization.

202102222120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163315 (or 2163312 counting only the distinct ones).

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

Adding to 202102222120011 its reverse (110021222201202), we get a palindrome (312123444321213).

The spelling of 202102222120011 in words is "two hundred two trillion, one hundred two billion, two hundred twenty-two million, one hundred twenty thousand, eleven".