10210020222121 has 4 divisors (see below), whose sum is σ = 10447462552912. Its totient is φ = 9972577891332.

The previous prime is 10210020222113. The next prime is 10210020222289. The reversal of 10210020222121 is 12122202001201.

It is a happy number.

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 10210020222121 - 2³ = 10210020222113 is a prime.

It is a super-2 number, since 2×10210020222121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10210020222095 and 10210020222104.

It is not an unprimeable number, because it can be changed into a prime (10210020252121) 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, 118721165331 + ... + 118721165416.

It is an arithmetic number, because the mean of its divisors is an integer number (2611865638228).

Almost surely, 2^{10210020222121} is an apocalyptic number.

It is an amenable number.

10210020222121 is a deficient number, since it is larger than the sum of its proper divisors (237442330791).

10210020222121 is an equidigital number, since it uses as much as digits as its factorization.

10210020222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237442330790.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10210020222121 its reverse (12122202001201), we get a palindrome (22332222223322).

The spelling of 10210020222121 in words is "ten trillion, two hundred ten billion, twenty million, two hundred twenty-two thousand, one hundred twenty-one".