22081123061 has 4 divisors (see below), whose sum is σ = 22082066400. Its totient is φ = 22080179724.

The previous prime is 22081123037. The next prime is 22081123091. The reversal of 22081123061 is 16032118022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22081123061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22081123061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22081123091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435641 + ... + 483678.

It is an arithmetic number, because the mean of its divisors is an integer number (5520516600).

Almost surely, 2^22081123061 is an apocalyptic number.

It is an amenable number.

22081123061 is a deficient number, since it is larger than the sum of its proper divisors (943339).

22081123061 is an equidigital number, since it uses as much as digits as its factorization.

22081123061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 943338.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 22081123061 in words is "twenty-two billion, eighty-one million, one hundred twenty-three thousand, sixty-one".