22031110001 has 2 divisors, whose sum is σ = 22031110002. Its totient is φ = 22031110000.

The previous prime is 22031109917. The next prime is 22031110007. The reversal of 22031110001 is 10001113022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20273488225 + 1757621776 = 142385^2 + 41924^2 .

It is a cyclic number.

It is not a de Polignac number, because 22031110001 - 2²² = 22026915697 is a prime.

It is not a weakly prime, because it can be changed into another prime (22031110007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11015555000 + 11015555001.

It is an arithmetic number, because the mean of its divisors is an integer number (11015555001).

Almost surely, 2^22031110001 is an apocalyptic number.

It is an amenable number.

22031110001 is a deficient number, since it is larger than the sum of its proper divisors (1).

22031110001 is an equidigital number, since it uses as much as digits as its factorization.

22031110001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 22031110001 its reverse (10001113022), we get a palindrome (32032223023).

The spelling of 22031110001 in words is "twenty-two billion, thirty-one million, one hundred ten thousand, one".