202120022111001 has 16 divisors (see below), whose sum is σ = 300364119547200. Its totient is φ = 120145647817728.

The previous prime is 202120022110991. The next prime is 202120022111023. The reversal of 202120022111001 is 100111220021202.

It is not a de Polignac number, because 202120022111001 - 2²⁹ = 202119485240089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202120022111041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104293096096 + ... + 104293098033.

It is an arithmetic number, because the mean of its divisors is an integer number (18772757471700).

Almost surely, 2^{202120022111001} is an apocalyptic number.

It is an amenable number.

202120022111001 is a deficient number, since it is larger than the sum of its proper divisors (98244097436199).

202120022111001 is a wasteful number, since it uses less digits than its factorization.

202120022111001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208586194168.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 202120022111001 its reverse (100111220021202), we get a palindrome (302231242132203).

The spelling of 202120022111001 in words is "two hundred two trillion, one hundred twenty billion, twenty-two million, one hundred eleven thousand, one".