111221111210093 has 2 divisors, whose sum is σ = 111221111210094. Its totient is φ = 111221111210092.

The previous prime is 111221111209931. The next prime is 111221111210119. The reversal of 111221111210093 is 390012111122111.

It is an a-pointer prime, because the next prime (111221111210119) can be obtained adding 111221111210093 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99252541978249 + 11968569231844 = 9962557^2 + 3459562^2 .

It is a cyclic number.

It is not a de Polignac number, because 111221111210093 - 2²⁸ = 111220842774637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111221111230093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55610555605046 + 55610555605047.

It is an arithmetic number, because the mean of its divisors is an integer number (55610555605047).

Almost surely, 2^{111221111210093} is an apocalyptic number.

It is an amenable number.

111221111210093 is a deficient number, since it is larger than the sum of its proper divisors (1).

111221111210093 is an equidigital number, since it uses as much as digits as its factorization.

111221111210093 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 111221111210093 in words is "one hundred eleven trillion, two hundred twenty-one billion, one hundred eleven million, two hundred ten thousand, ninety-three".