22112033081 has 2 divisors, whose sum is σ = 22112033082. Its totient is φ = 22112033080.

The previous prime is 22112033057. The next prime is 22112033159. The reversal of 22112033081 is 18033021122.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12641629225 + 9470403856 = 112435^2 + 97316^2 .

It is a cyclic number.

It is not a de Polignac number, because 22112033081 - 2⁶ = 22112033017 is a prime.

It is a super-2 number, since 2×22112033081² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22112033011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11056016540 + 11056016541.

It is an arithmetic number, because the mean of its divisors is an integer number (11056016541).

Almost surely, 2^22112033081 is an apocalyptic number.

It is an amenable number.

22112033081 is a deficient number, since it is larger than the sum of its proper divisors (1).

22112033081 is an equidigital number, since it uses as much as digits as its factorization.

22112033081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 22112033081 in words is "twenty-two billion, one hundred twelve million, thirty-three thousand, eighty-one".