3101221121077 has 2 divisors, whose sum is σ = 3101221121078. Its totient is φ = 3101221121076.

The previous prime is 3101221121039. The next prime is 3101221121081. The reversal of 3101221121077 is 7701211221013.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2120142757041 + 981078364036 = 1456071^2 + 990494^2 .

It is an emirp because it is prime and its reverse (7701211221013) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3101221121077 - 2³⁹ = 2551465307189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3101221121027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1550610560538 + 1550610560539.

It is an arithmetic number, because the mean of its divisors is an integer number (1550610560539).

Almost surely, 2^{3101221121077} is an apocalyptic number.

It is an amenable number.

3101221121077 is a deficient number, since it is larger than the sum of its proper divisors (1).

3101221121077 is an equidigital number, since it uses as much as digits as its factorization.

3101221121077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 28.

The spelling of 3101221121077 in words is "three trillion, one hundred one billion, two hundred twenty-one million, one hundred twenty-one thousand, seventy-seven".