22111020329 has 2 divisors, whose sum is σ = 22111020330. Its totient is φ = 22111020328.

The previous prime is 22111020313. The next prime is 22111020331. The reversal of 22111020329 is 92302011122.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12126414400 + 9984605929 = 110120^2 + 99923^2 .

It is a cyclic number.

It is not a de Polignac number, because 22111020329 - 2⁴ = 22111020313 is a prime.

Together with 22111020331, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22111020389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11055510164 + 11055510165.

It is an arithmetic number, because the mean of its divisors is an integer number (11055510165).

Almost surely, 2^22111020329 is an apocalyptic number.

It is an amenable number.

22111020329 is a deficient number, since it is larger than the sum of its proper divisors (1).

22111020329 is an equidigital number, since it uses as much as digits as its factorization.

22111020329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 22111020329 in words is "twenty-two billion, one hundred eleven million, twenty thousand, three hundred twenty-nine".