101202221221973 has 2 divisors, whose sum is σ = 101202221221974. Its totient is φ = 101202221221972.

The previous prime is 101202221221909. The next prime is 101202221222027. The reversal of 101202221221973 is 379122122202101.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50661397053124 + 50540824168849 = 7117682^2 + 7109207^2 .

It is a cyclic number.

It is not a de Polignac number, because 101202221221973 - 2⁶ = 101202221221909 is a prime.

It is a super-2 number, since 2×101202221221973² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101202221221273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50601110610986 + 50601110610987.

It is an arithmetic number, because the mean of its divisors is an integer number (50601110610987).

Almost surely, 2^{101202221221973} is an apocalyptic number.

It is an amenable number.

101202221221973 is a deficient number, since it is larger than the sum of its proper divisors (1).

101202221221973 is an equidigital number, since it uses as much as digits as its factorization.

101202221221973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 35.

The spelling of 101202221221973 in words is "one hundred one trillion, two hundred two billion, two hundred twenty-one million, two hundred twenty-one thousand, nine hundred seventy-three".