22212002201231 has 2 divisors, whose sum is σ = 22212002201232. Its totient is φ = 22212002201230.

The previous prime is 22212002201203. The next prime is 22212002201237. The reversal of 22212002201231 is 13210220021222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22212002201231 - 2⁶ = 22212002201167 is a prime.

It is a super-2 number, since 2×22212002201231² (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 (22212002201237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11106001100615 + 11106001100616.

It is an arithmetic number, because the mean of its divisors is an integer number (11106001100616).

Almost surely, 2^{22212002201231} is an apocalyptic number.

22212002201231 is a deficient number, since it is larger than the sum of its proper divisors (1).

22212002201231 is an equidigital number, since it uses as much as digits as its factorization.

22212002201231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 22212002201231 its reverse (13210220021222), we get a palindrome (35422222222453).

The spelling of 22212002201231 in words is "twenty-two trillion, two hundred twelve billion, two million, two hundred one thousand, two hundred thirty-one".