202220121012331 has 4 divisors (see below), whose sum is σ = 202220156453392. Its totient is φ = 202220085571272.

The previous prime is 202220121012317. The next prime is 202220121012341. The reversal of 202220121012331 is 133210121022202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 202220121012331 - 2³⁹ = 201670365198443 is a prime.

It is a super-2 number, since 2×202220121012331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202220121012341) 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, 6999855 + ... + 21294088.

It is an arithmetic number, because the mean of its divisors is an integer number (50555039113348).

Almost surely, 2^{202220121012331} is an apocalyptic number.

202220121012331 is a deficient number, since it is larger than the sum of its proper divisors (35441061).

202220121012331 is an equidigital number, since it uses as much as digits as its factorization.

202220121012331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35441060.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 202220121012331 its reverse (133210121022202), we get a palindrome (335430242034533).

The spelling of 202220121012331 in words is "two hundred two trillion, two hundred twenty billion, one hundred twenty-one million, twelve thousand, three hundred thirty-one".