10210021022121 has 16 divisors (see below), whose sum is σ = 13622797728000. Its totient is φ = 6801962923008.

The previous prime is 10210021022039. The next prime is 10210021022161. The reversal of 10210021022121 is 12122012001201.

It is not a de Polignac number, because 10210021022121 - 2¹⁵ = 10210020989353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10210021022121.

It is not an unprimeable number, because it can be changed into a prime (10210021022161) 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, 135501385 + ... + 135576713.

It is an arithmetic number, because the mean of its divisors is an integer number (851424858000).

Almost surely, 2^{10210021022121} is an apocalyptic number.

It is an amenable number.

10210021022121 is a deficient number, since it is larger than the sum of its proper divisors (3412776705879).

10210021022121 is a wasteful number, since it uses less digits than its factorization.

10210021022121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106048.

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

Adding to 10210021022121 its reverse (12122012001201), we get a palindrome (22332033023322).

The spelling of 10210021022121 in words is "ten trillion, two hundred ten billion, twenty-one million, twenty-two thousand, one hundred twenty-one".