111122221301129 has 2 divisors, whose sum is σ = 111122221301130. Its totient is φ = 111122221301128.

The previous prime is 111122221301101. The next prime is 111122221301149. The reversal of 111122221301129 is 921103122221111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96908175198025 + 14214046103104 = 9844195^2 + 3770152^2 .

It is a cyclic number.

It is not a de Polignac number, because 111122221301129 - 2²⁸ = 111121952865673 is a prime.

It is not a weakly prime, because it can be changed into another prime (111122221301149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55561110650564 + 55561110650565.

It is an arithmetic number, because the mean of its divisors is an integer number (55561110650565).

Almost surely, 2^{111122221301129} is an apocalyptic number.

It is an amenable number.

111122221301129 is a deficient number, since it is larger than the sum of its proper divisors (1).

111122221301129 is an equidigital number, since it uses as much as digits as its factorization.

111122221301129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 29.

The spelling of 111122221301129 in words is "one hundred eleven trillion, one hundred twenty-two billion, two hundred twenty-one million, three hundred one thousand, one hundred twenty-nine".