22112111029 has 2 divisors, whose sum is σ = 22112111030. Its totient is φ = 22112111028.

The previous prime is 22112110961. The next prime is 22112111053. The reversal of 22112111029 is 92011121122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21883284900 + 228826129 = 147930^2 + 15127^2 .

It is a cyclic number.

It is not a de Polignac number, because 22112111029 - 2²⁵ = 22078556597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22112111129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11056055514 + 11056055515.

It is an arithmetic number, because the mean of its divisors is an integer number (11056055515).

Almost surely, 2^22112111029 is an apocalyptic number.

It is an amenable number.

22112111029 is a deficient number, since it is larger than the sum of its proper divisors (1).

22112111029 is an equidigital number, since it uses as much as digits as its factorization.

22112111029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 22112111029 in words is "twenty-two billion, one hundred twelve million, one hundred eleven thousand, twenty-nine".