3020102221991 has 2 divisors, whose sum is σ = 3020102221992. Its totient is φ = 3020102221990.

The previous prime is 3020102221931. The next prime is 3020102221993. The reversal of 3020102221991 is 1991222010203.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3020102221991 is a prime.

Together with 3020102221993, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3020102221993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1510051110995 + 1510051110996.

It is an arithmetic number, because the mean of its divisors is an integer number (1510051110996).

Almost surely, 2^{3020102221991} is an apocalyptic number.

3020102221991 is a deficient number, since it is larger than the sum of its proper divisors (1).

3020102221991 is an equidigital number, since it uses as much as digits as its factorization.

3020102221991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 32.

The spelling of 3020102221991 in words is "three trillion, twenty billion, one hundred two million, two hundred twenty-one thousand, nine hundred ninety-one".