102055121572177 has 2 divisors, whose sum is σ = 102055121572178. Its totient is φ = 102055121572176.

The previous prime is 102055121572153. The next prime is 102055121572231. The reversal of 102055121572177 is 771275121550201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73295669341521 + 28759452230656 = 8561289^2 + 5362784^2 .

It is a cyclic number.

It is not a de Polignac number, because 102055121572177 - 2⁷ = 102055121572049 is a prime.

It is a super-2 number, since 2×102055121572177² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102055121578177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51027560786088 + 51027560786089.

It is an arithmetic number, because the mean of its divisors is an integer number (51027560786089).

Almost surely, 2^{102055121572177} is an apocalyptic number.

It is an amenable number.

102055121572177 is a deficient number, since it is larger than the sum of its proper divisors (1).

102055121572177 is an equidigital number, since it uses as much as digits as its factorization.

102055121572177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 343000, while the sum is 46.

The spelling of 102055121572177 in words is "one hundred two trillion, fifty-five billion, one hundred twenty-one million, five hundred seventy-two thousand, one hundred seventy-seven".