10210122121 has 4 divisors (see below), whose sum is σ = 10227168000. Its totient is φ = 10193076244.

The previous prime is 10210122071. The next prime is 10210122163. The reversal of 10210122121 is 12122101201.

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 10210122121 - 2⁷ = 10210121993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10210122821) 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, 8522041 + ... + 8523238.

It is an arithmetic number, because the mean of its divisors is an integer number (2556792000).

Almost surely, 2^10210122121 is an apocalyptic number.

It is an amenable number.

10210122121 is a deficient number, since it is larger than the sum of its proper divisors (17045879).

10210122121 is an equidigital number, since it uses as much as digits as its factorization.

10210122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17045878.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10210122121 its reverse (12122101201), we get a palindrome (22332223322).

The spelling of 10210122121 in words is "ten billion, two hundred ten million, one hundred twenty-two thousand, one hundred twenty-one".