3390113272921 has 2 divisors, whose sum is σ = 3390113272922. Its totient is φ = 3390113272920.

The previous prime is 3390113272891. The next prime is 3390113272927. The reversal of 3390113272921 is 1292723110933.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3330117669321 + 59995603600 = 1824861^2 + 244940^2 .

It is an emirp because it is prime and its reverse (1292723110933) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3390113272921 - 2⁹ = 3390113272409 is a prime.

It is a super-2 number, since 2×3390113272921² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3390113272927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1695056636460 + 1695056636461.

It is an arithmetic number, because the mean of its divisors is an integer number (1695056636461).

Almost surely, 2^{3390113272921} is an apocalyptic number.

It is an amenable number.

3390113272921 is a deficient number, since it is larger than the sum of its proper divisors (1).

3390113272921 is an equidigital number, since it uses as much as digits as its factorization.

3390113272921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 43.

The spelling of 3390113272921 in words is "three trillion, three hundred ninety billion, one hundred thirteen million, two hundred seventy-two thousand, nine hundred twenty-one".