111202011929 has 2 divisors, whose sum is σ = 111202011930. Its totient is φ = 111202011928.

The previous prime is 111202011901. The next prime is 111202011931. The reversal of 111202011929 is 929110202111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75603001600 + 35599010329 = 274960^2 + 188677^2 .

It is a cyclic number.

It is not a de Polignac number, because 111202011929 - 2⁸ = 111202011673 is a prime.

Together with 111202011931, 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 (111202011979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55601005964 + 55601005965.

It is an arithmetic number, because the mean of its divisors is an integer number (55601005965).

Almost surely, 2^111202011929 is an apocalyptic number.

It is an amenable number.

111202011929 is a deficient number, since it is larger than the sum of its proper divisors (1).

111202011929 is an equidigital number, since it uses as much as digits as its factorization.

111202011929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 29.

The spelling of 111202011929 in words is "one hundred eleven billion, two hundred two million, eleven thousand, nine hundred twenty-nine".