202122213112231 has 4 divisors (see below), whose sum is σ = 202127042952000. Its totient is φ = 202117383272464.

The previous prime is 202122213112201. The next prime is 202122213112249. The reversal of 202122213112231 is 132211312221202.

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 202122213112231 - 2¹⁹ = 202122212587943 is a prime.

It is a super-2 number, since 2×202122213112231² (a number of 29 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 = 202122213112196 and 202122213112205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202122213112201) 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, 2414857111 + ... + 2414940808.

It is an arithmetic number, because the mean of its divisors is an integer number (50531760738000).

Almost surely, 2^{202122213112231} is an apocalyptic number.

202122213112231 is a deficient number, since it is larger than the sum of its proper divisors (4829839769).

202122213112231 is an equidigital number, since it uses as much as digits as its factorization.

202122213112231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4829839768.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 202122213112231 its reverse (132211312221202), we get a palindrome (334333525333433).

The spelling of 202122213112231 in words is "two hundred two trillion, one hundred twenty-two billion, two hundred thirteen million, one hundred twelve thousand, two hundred thirty-one".