101210110220977 has 2 divisors, whose sum is σ = 101210110220978. Its totient is φ = 101210110220976.

The previous prime is 101210110220969. The next prime is 101210110221043. The reversal of 101210110220977 is 779022011012101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100590790014016 + 619320206961 = 10029496^2 + 786969^2 .

It is a cyclic number.

It is not a de Polignac number, because 101210110220977 - 2³ = 101210110220969 is a prime.

It is not a weakly prime, because it can be changed into another prime (101210114220977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50605055110488 + 50605055110489.

It is an arithmetic number, because the mean of its divisors is an integer number (50605055110489).

Almost surely, 2^{101210110220977} is an apocalyptic number.

It is an amenable number.

101210110220977 is a deficient number, since it is larger than the sum of its proper divisors (1).

101210110220977 is an equidigital number, since it uses as much as digits as its factorization.

101210110220977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 34.

The spelling of 101210110220977 in words is "one hundred one trillion, two hundred ten billion, one hundred ten million, two hundred twenty thousand, nine hundred seventy-seven".