2221111220093 has 2 divisors, whose sum is σ = 2221111220094. Its totient is φ = 2221111220092.

The previous prime is 2221111220039. The next prime is 2221111220161. The reversal of 2221111220093 is 3900221111222.

Together with previous prime (2221111220039) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2174616216964 + 46495003129 = 1474658^2 + 215627^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221111220093 - 2²⁴ = 2221094442877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221111220033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110555610046 + 1110555610047.

It is an arithmetic number, because the mean of its divisors is an integer number (1110555610047).

Almost surely, 2^{2221111220093} is an apocalyptic number.

It is an amenable number.

2221111220093 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221111220093 is an equidigital number, since it uses as much as digits as its factorization.

2221111220093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 2221111220093 in words is "two trillion, two hundred twenty-one billion, one hundred eleven million, two hundred twenty thousand, ninety-three".