1222210109993 has 2 divisors, whose sum is σ = 1222210109994. Its totient is φ = 1222210109992.

The previous prime is 1222210109957. The next prime is 1222210110013. The reversal of 1222210109993 is 3999010122221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1196689408489 + 25520701504 = 1093933^2 + 159752^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222210109993 - 2²⁰ = 1222209061417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1222210109993.

It is not a weakly prime, because it can be changed into another prime (1222210105993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611105054996 + 611105054997.

It is an arithmetic number, because the mean of its divisors is an integer number (611105054997).

Almost surely, 2^{1222210109993} is an apocalyptic number.

It is an amenable number.

1222210109993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222210109993 is an equidigital number, since it uses as much as digits as its factorization.

1222210109993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 41.

The spelling of 1222210109993 in words is "one trillion, two hundred twenty-two billion, two hundred ten million, one hundred nine thousand, nine hundred ninety-three".