202022120121201 has 24 divisors (see below), whose sum is σ = 302663770414824. Its totient is φ = 129743935833600.

The previous prime is 202022120121197. The next prime is 202022120121203. The reversal of 202022120121201 is 102121021220202.

It is a happy number.

202022120121201 is a `hidden beast` number, since 2 + 0 + 20 + 221 + 201 + 21 + 201 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 137401743978801 + 64620376142400 = 11721849^2 + 8038680^2 .

It is not a de Polignac number, because 202022120121201 - 2² = 202022120121197 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202022120121203) 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, 3003298216 + ... + 3003365481.

It is an arithmetic number, because the mean of its divisors is an integer number (12610990433951).

Almost surely, 2^{202022120121201} is an apocalyptic number.

It is an amenable number.

202022120121201 is a deficient number, since it is larger than the sum of its proper divisors (100641650293623).

202022120121201 is a wasteful number, since it uses less digits than its factorization.

202022120121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6006663841 (or 6006663838 counting only the distinct ones).

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

Adding to 202022120121201 its reverse (102121021220202), we get a palindrome (304143141341403).

The spelling of 202022120121201 in words is "two hundred two trillion, twenty-two billion, one hundred twenty million, one hundred twenty-one thousand, two hundred one".