22021301032231 has 2 divisors, whose sum is σ = 22021301032232. Its totient is φ = 22021301032230.

The previous prime is 22021301032127. The next prime is 22021301032267. The reversal of 22021301032231 is 13223010312022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22021301032231 is a prime.

It is a super-2 number, since 2×22021301032231² (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 (22021301032531) 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 as a sum of consecutive naturals, namely, 11010650516115 + 11010650516116.

It is an arithmetic number, because the mean of its divisors is an integer number (11010650516116).

Almost surely, 2^{22021301032231} is an apocalyptic number.

22021301032231 is a deficient number, since it is larger than the sum of its proper divisors (1).

22021301032231 is an equidigital number, since it uses as much as digits as its factorization.

22021301032231 is an odious number, because the sum of its binary digits is odd.

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

Adding to 22021301032231 its reverse (13223010312022), we get a palindrome (35244311344253).

The spelling of 22021301032231 in words is "twenty-two trillion, twenty-one billion, three hundred one million, thirty-two thousand, two hundred thirty-one".