101203101977 has 2 divisors, whose sum is σ = 101203101978. Its totient is φ = 101203101976.

The previous prime is 101203101949. The next prime is 101203101991. The reversal of 101203101977 is 779101302101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51573955801 + 49629146176 = 227099^2 + 222776^2 .

It is an emirp because it is prime and its reverse (779101302101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101203101977 is a prime.

It is a super-2 number, since 2×101203101977² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (101203101907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50601550988 + 50601550989.

It is an arithmetic number, because the mean of its divisors is an integer number (50601550989).

Almost surely, 2^101203101977 is an apocalyptic number.

It is an amenable number.

101203101977 is a deficient number, since it is larger than the sum of its proper divisors (1).

101203101977 is an equidigital number, since it uses as much as digits as its factorization.

101203101977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2646, while the sum is 32.

The spelling of 101203101977 in words is "one hundred one billion, two hundred three million, one hundred one thousand, nine hundred seventy-seven".