10102210001977 has 2 divisors, whose sum is σ = 10102210001978. Its totient is φ = 10102210001976.

The previous prime is 10102210001963. The next prime is 10102210002007. The reversal of 10102210001977 is 77910001220101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8748468443961 + 1353741558016 = 2957781^2 + 1163504^2 .

It is a cyclic number.

It is not a de Polignac number, because 10102210001977 - 2³⁵ = 10067850263609 is a prime.

It is not a weakly prime, because it can be changed into another prime (10102210002977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5051105000988 + 5051105000989.

It is an arithmetic number, because the mean of its divisors is an integer number (5051105000989).

Almost surely, 2^{10102210001977} is an apocalyptic number.

It is an amenable number.

10102210001977 is a deficient number, since it is larger than the sum of its proper divisors (1).

10102210001977 is an equidigital number, since it uses as much as digits as its factorization.

10102210001977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 31.

The spelling of 10102210001977 in words is "ten trillion, one hundred two billion, two hundred ten million, one thousand, nine hundred seventy-seven".