210020102122001 has 4 divisors (see below), whose sum is σ = 210605116334400. Its totient is φ = 209435087909604.

The previous prime is 210020102121979. The next prime is 210020102122021. The reversal of 210020102122001 is 100221201020012.

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 a de Polignac number, because none of the positive numbers 2^k-210020102122001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210020102122021) 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, 292507105661 + ... + 292507106378.

It is an arithmetic number, because the mean of its divisors is an integer number (52651279083600).

Almost surely, 2^{210020102122001} is an apocalyptic number.

It is an amenable number.

210020102122001 is a deficient number, since it is larger than the sum of its proper divisors (585014212399).

210020102122001 is an equidigital number, since it uses as much as digits as its factorization.

210020102122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585014212398.

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

Adding to 210020102122001 its reverse (100221201020012), we get a palindrome (310241303142013).

The spelling of 210020102122001 in words is "two hundred ten trillion, twenty billion, one hundred two million, one hundred twenty-two thousand, one".