3020121132157 has 2 divisors, whose sum is σ = 3020121132158. Its totient is φ = 3020121132156.

The previous prime is 3020121132043. The next prime is 3020121132169. The reversal of 3020121132157 is 7512311210203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2969990369956 + 50130762201 = 1723366^2 + 223899^2 .

It is a cyclic number.

It is not a de Polignac number, because 3020121132157 - 2²⁷ = 3019986914429 is a prime.

It is a super-2 number, since 2×3020121132157² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3020121432157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1510060566078 + 1510060566079.

It is an arithmetic number, because the mean of its divisors is an integer number (1510060566079).

Almost surely, 2^{3020121132157} is an apocalyptic number.

It is an amenable number.

3020121132157 is a deficient number, since it is larger than the sum of its proper divisors (1).

3020121132157 is an equidigital number, since it uses as much as digits as its factorization.

3020121132157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 28.

The spelling of 3020121132157 in words is "three trillion, twenty billion, one hundred twenty-one million, one hundred thirty-two thousand, one hundred fifty-seven".