202002211122001 has 4 divisors (see below), whose sum is σ = 202177408183972. Its totient is φ = 201827014060032.

The previous prime is 202002211121969. The next prime is 202002211122007. The reversal of 202002211122001 is 100221112200202.

It is a happy number.

202002211122001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 109512059969601 + 92490151152400 = 10464801^2 + 9617180^2 .

It is a cyclic number.

It is not a de Polignac number, because 202002211122001 - 2⁵ = 202002211121969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202002211122007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87598529256 + ... + 87598531561.

It is an arithmetic number, because the mean of its divisors is an integer number (50544352045993).

Almost surely, 2^{202002211122001} is an apocalyptic number.

It is an amenable number.

202002211122001 is a deficient number, since it is larger than the sum of its proper divisors (175197061971).

202002211122001 is a wasteful number, since it uses less digits than its factorization.

202002211122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175197061970.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202002211122001 its reverse (100221112200202), we get a palindrome (302223323322203).

The spelling of 202002211122001 in words is "two hundred two trillion, two billion, two hundred eleven million, one hundred twenty-two thousand, one".