111213001292111 has 2 divisors, whose sum is σ = 111213001292112. Its totient is φ = 111213001292110.

The previous prime is 111213001292047. The next prime is 111213001292153. The reversal of 111213001292111 is 111292100312111.

It is a strong prime.

It is an emirp because it is prime and its reverse (111292100312111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111213001292111 - 2⁶ = 111213001292047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111213001292161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55606500646055 + 55606500646056.

It is an arithmetic number, because the mean of its divisors is an integer number (55606500646056).

Almost surely, 2^{111213001292111} is an apocalyptic number.

111213001292111 is a deficient number, since it is larger than the sum of its proper divisors (1).

111213001292111 is an equidigital number, since it uses as much as digits as its factorization.

111213001292111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 26.

The spelling of 111213001292111 in words is "one hundred eleven trillion, two hundred thirteen billion, one million, two hundred ninety-two thousand, one hundred eleven".