111012222009929 has 2 divisors, whose sum is σ = 111012222009930. Its totient is φ = 111012222009928.

The previous prime is 111012222009901. The next prime is 111012222010021. The reversal of 111012222009929 is 929900222210111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78537667173904 + 32474554836025 = 8862148^2 + 5698645^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111012222009929 is a prime.

It is not a weakly prime, because it can be changed into another prime (111012222059929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55506111004964 + 55506111004965.

It is an arithmetic number, because the mean of its divisors is an integer number (55506111004965).

Almost surely, 2^{111012222009929} is an apocalyptic number.

It is an amenable number.

111012222009929 is a deficient number, since it is larger than the sum of its proper divisors (1).

111012222009929 is an equidigital number, since it uses as much as digits as its factorization.

111012222009929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 41.

The spelling of 111012222009929 in words is "one hundred eleven trillion, twelve billion, two hundred twenty-two million, nine thousand, nine hundred twenty-nine".