22545102102031 has 2 divisors, whose sum is σ = 22545102102032. Its totient is φ = 22545102102030.

The previous prime is 22545102102011. The next prime is 22545102102037. The reversal of 22545102102031 is 13020120154522.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22545102102031 - 2²⁹ = 22544565231119 is a prime.

It is a super-2 number, since 2×22545102102031² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22545102102037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11272551051015 + 11272551051016.

It is an arithmetic number, because the mean of its divisors is an integer number (11272551051016).

Almost surely, 2^{22545102102031} is an apocalyptic number.

22545102102031 is a deficient number, since it is larger than the sum of its proper divisors (1).

22545102102031 is an equidigital number, since it uses as much as digits as its factorization.

22545102102031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 22545102102031 its reverse (13020120154522), we get a palindrome (35565222256553).

The spelling of 22545102102031 in words is "twenty-two trillion, five hundred forty-five billion, one hundred two million, one hundred two thousand, thirty-one".