20212210323131 has 16 divisors (see below), whose sum is σ = 20682355307040. Its totient is φ = 19745535363840.

The previous prime is 20212210323121. The next prime is 20212210323139. The reversal of 20212210323131 is 13132301221202.

It is a cyclic number.

It is not a de Polignac number, because 20212210323131 - 2¹⁰ = 20212210322107 is a prime.

It is a super-2 number, since 2×20212210323131² (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 = 20212210323097 and 20212210323106.

It is not an unprimeable number, because it can be changed into a prime (20212210323139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10696361 + ... + 12443333.

It is an arithmetic number, because the mean of its divisors is an integer number (1292647206690).

Almost surely, 2^{20212210323131} is an apocalyptic number.

20212210323131 is a deficient number, since it is larger than the sum of its proper divisors (470144983909).

20212210323131 is a wasteful number, since it uses less digits than its factorization.

20212210323131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747966.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 20212210323131 its reverse (13132301221202), we get a palindrome (33344511544333).

The spelling of 20212210323131 in words is "twenty trillion, two hundred twelve billion, two hundred ten million, three hundred twenty-three thousand, one hundred thirty-one".