202001122102001 has 4 divisors (see below), whose sum is σ = 202116749534832. Its totient is φ = 201885494669172.

The previous prime is 202001122101991. The next prime is 202001122102027. The reversal of 202001122102001 is 100201221100202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 202001122102001 - 2³⁴ = 201983942232817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202001122102061) 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, 57813713795 + ... + 57813717288.

It is an arithmetic number, because the mean of its divisors is an integer number (50529187383708).

Almost surely, 2^{202001122102001} is an apocalyptic number.

It is an amenable number.

202001122102001 is a deficient number, since it is larger than the sum of its proper divisors (115627432831).

202001122102001 is a wasteful number, since it uses less digits than its factorization.

202001122102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115627432830.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 202001122102001 its reverse (100201221100202), we get a palindrome (302202343202203).

The spelling of 202001122102001 in words is "two hundred two trillion, one billion, one hundred twenty-two million, one hundred two thousand, one".