22103000021231 has 2 divisors, whose sum is σ = 22103000021232. Its totient is φ = 22103000021230.

The previous prime is 22103000021227. The next prime is 22103000021317. The reversal of 22103000021231 is 13212000030122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22103000021231 - 2² = 22103000021227 is a prime.

It is a super-2 number, since 2×22103000021231² (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 (22103000023231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11051500010615 + 11051500010616.

It is an arithmetic number, because the mean of its divisors is an integer number (11051500010616).

Almost surely, 2^{22103000021231} is an apocalyptic number.

22103000021231 is a deficient number, since it is larger than the sum of its proper divisors (1).

22103000021231 is an equidigital number, since it uses as much as digits as its factorization.

22103000021231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22103000021231 its reverse (13212000030122), we get a palindrome (35315000051353).

The spelling of 22103000021231 in words is "twenty-two trillion, one hundred three billion, twenty-one thousand, two hundred thirty-one".