3121221411037 has 2 divisors, whose sum is σ = 3121221411038. Its totient is φ = 3121221411036.

The previous prime is 3121221411019. The next prime is 3121221411047. The reversal of 3121221411037 is 7301141221213.

It is a happy number.

3121221411037 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3014064043236 + 107157367801 = 1736106^2 + 327349^2 .

It is a cyclic number.

It is not a de Polignac number, because 3121221411037 - 2¹¹ = 3121221408989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3121221410996 and 3121221411014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3121221411047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560610705518 + 1560610705519.

It is an arithmetic number, because the mean of its divisors is an integer number (1560610705519).

Almost surely, 2^{3121221411037} is an apocalyptic number.

It is an amenable number.

3121221411037 is a deficient number, since it is larger than the sum of its proper divisors (1).

3121221411037 is an equidigital number, since it uses as much as digits as its factorization.

3121221411037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

The spelling of 3121221411037 in words is "three trillion, one hundred twenty-one billion, two hundred twenty-one million, four hundred eleven thousand, thirty-seven".