20221100332231 has 2 divisors, whose sum is σ = 20221100332232. Its totient is φ = 20221100332230.

The previous prime is 20221100331983. The next prime is 20221100332243. The reversal of 20221100332231 is 13223300112202.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20221100332231 - 2²⁵ = 20221066777799 is a prime.

It is a super-2 number, since 2×20221100332231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20221100332831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110550166115 + 10110550166116.

It is an arithmetic number, because the mean of its divisors is an integer number (10110550166116).

Almost surely, 2^{20221100332231} is an apocalyptic number.

20221100332231 is a deficient number, since it is larger than the sum of its proper divisors (1).

20221100332231 is an equidigital number, since it uses as much as digits as its factorization.

20221100332231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20221100332231 its reverse (13223300112202), we get a palindrome (33444400444433).

The spelling of 20221100332231 in words is "twenty trillion, two hundred twenty-one billion, one hundred million, three hundred thirty-two thousand, two hundred thirty-one".