2020202210121 has 32 divisors (see below), whose sum is σ = 2840959110528. Its totient is φ = 1275305472000.

The previous prime is 2020202210111. The next prime is 2020202210129. The reversal of 2020202210121 is 1210122020202.

It is not a de Polignac number, because 2020202210121 - 2⁹ = 2020202209609 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2020202210121.

It is not an unprimeable number, because it can be changed into a prime (2020202210129) 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, 558121 + ... + 2086121.

It is an arithmetic number, because the mean of its divisors is an integer number (88779972204).

Almost surely, 2^{2020202210121} is an apocalyptic number.

It is an amenable number.

2020202210121 is a deficient number, since it is larger than the sum of its proper divisors (820756900407).

2020202210121 is a wasteful number, since it uses less digits than its factorization.

2020202210121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528361.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2020202210121 its reverse (1210122020202), we get a palindrome (3230324230323).

The spelling of 2020202210121 in words is "two trillion, twenty billion, two hundred two million, two hundred ten thousand, one hundred twenty-one".