22021010222231 has 2 divisors, whose sum is σ = 22021010222232. Its totient is φ = 22021010222230.

The previous prime is 22021010222191. The next prime is 22021010222287. The reversal of 22021010222231 is 13222201012022.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22021010222231 is a prime.

It is a super-2 number, since 2×22021010222231² (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 (22021010282231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010505111115 + 11010505111116.

It is an arithmetic number, because the mean of its divisors is an integer number (11010505111116).

Almost surely, 2^{22021010222231} is an apocalyptic number.

22021010222231 is a deficient number, since it is larger than the sum of its proper divisors (1).

22021010222231 is an equidigital number, since it uses as much as digits as its factorization.

22021010222231 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 22021010222231 its reverse (13222201012022), we get a palindrome (35243211234253).

The spelling of 22021010222231 in words is "twenty-two trillion, twenty-one billion, ten million, two hundred twenty-two thousand, two hundred thirty-one".