202120102022001 has 4 divisors (see below), whose sum is σ = 269493469362672. Its totient is φ = 134746734681332.

The previous prime is 202120102021997. The next prime is 202120102022039. The reversal of 202120102022001 is 100220201021202.

202120102022001 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, 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 202120102022001 - 2² = 202120102021997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202120102022401) 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, 33686683670331 + ... + 33686683670336.

It is an arithmetic number, because the mean of its divisors is an integer number (67373367340668).

Almost surely, 2^{202120102022001} is an apocalyptic number.

It is an amenable number.

202120102022001 is a deficient number, since it is larger than the sum of its proper divisors (67373367340671).

202120102022001 is an equidigital number, since it uses as much as digits as its factorization.

202120102022001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67373367340670.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 202120102022001 its reverse (100220201021202), we get a palindrome (302340303043203).

The spelling of 202120102022001 in words is "two hundred two trillion, one hundred twenty billion, one hundred two million, twenty-two thousand, one".