210100322222021 has 32 divisors (see below), whose sum is σ = 267158758042368. Its totient is φ = 160461173283840.

The previous prime is 210100322222017. The next prime is 210100322222023. The reversal of 210100322222021 is 120222223001012.

It is not a de Polignac number, because 210100322222021 - 2² = 210100322222017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210100322221984 and 210100322222002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210100322222023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22360130 + ... + 30334403.

It is an arithmetic number, because the mean of its divisors is an integer number (8348711188824).

Almost surely, 2^{210100322222021} is an apocalyptic number.

It is an amenable number.

210100322222021 is a deficient number, since it is larger than the sum of its proper divisors (57058435820347).

210100322222021 is a wasteful number, since it uses less digits than its factorization.

210100322222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52695581.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 210100322222021 its reverse (120222223001012), we get a palindrome (330322545223033).

The spelling of 210100322222021 in words is "two hundred ten trillion, one hundred billion, three hundred twenty-two million, two hundred twenty-two thousand, twenty-one".