101862047321 has 2 divisors, whose sum is σ = 101862047322. Its totient is φ = 101862047320.

The previous prime is 101862047297. The next prime is 101862047327. The reversal of 101862047321 is 123740268101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59440878025 + 42421169296 = 243805^2 + 205964^2 .

It is an emirp because it is prime and its reverse (123740268101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101862047321 is a prime.

It is not a weakly prime, because it can be changed into another prime (101862047327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50931023660 + 50931023661.

It is an arithmetic number, because the mean of its divisors is an integer number (50931023661).

Almost surely, 2^101862047321 is an apocalyptic number.

It is an amenable number.

101862047321 is a deficient number, since it is larger than the sum of its proper divisors (1).

101862047321 is an equidigital number, since it uses as much as digits as its factorization.

101862047321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 35.

The spelling of 101862047321 in words is "one hundred one billion, eight hundred sixty-two million, forty-seven thousand, three hundred twenty-one".