202201212220011 has 24 divisors (see below), whose sum is σ = 292891765570560. Its totient is φ = 134420826513456.

The previous prime is 202201212220003. The next prime is 202201212220019. The reversal of 202201212220011 is 110022212102202.

It is a happy number.

202201212220011 is a `hidden beast` number, since 2 + 0 + 220 + 1 + 212 + 220 + 0 + 11 = 666.

It is an interprime number because it is at equal distance from previous prime (202201212220003) and next prime (202201212220019).

It is not a de Polignac number, because 202201212220011 - 2³ = 202201212220003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202201212220019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97085356 + ... + 99146198.

It is an arithmetic number, because the mean of its divisors is an integer number (12203823565440).

Almost surely, 2^{202201212220011} is an apocalyptic number.

202201212220011 is a deficient number, since it is larger than the sum of its proper divisors (90690553350549).

202201212220011 is a wasteful number, since it uses less digits than its factorization.

202201212220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091575 (or 2091572 counting only the distinct ones).

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

Adding to 202201212220011 its reverse (110022212102202), we get a palindrome (312223424322213).

The spelling of 202201212220011 in words is "two hundred two trillion, two hundred one billion, two hundred twelve million, two hundred twenty thousand, eleven".