22000111129 has 2 divisors, whose sum is σ = 22000111130. Its totient is φ = 22000111128.

The previous prime is 22000111079. The next prime is 22000111187. The reversal of 22000111129 is 92111100022.

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., 15414464025 + 6585647104 = 124155^2 + 81152^2 .

It is a cyclic number.

It is not a de Polignac number, because 22000111129 - 2⁹ = 22000110617 is a prime.

It is not a weakly prime, because it can be changed into another prime (22000112129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000055564 + 11000055565.

It is an arithmetic number, because the mean of its divisors is an integer number (11000055565).

Almost surely, 2^22000111129 is an apocalyptic number.

It is an amenable number.

22000111129 is a deficient number, since it is larger than the sum of its proper divisors (1).

22000111129 is an equidigital number, since it uses as much as digits as its factorization.

22000111129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 22000111129 in words is "twenty-two billion, one hundred eleven thousand, one hundred twenty-nine".