101300204021 has 2 divisors, whose sum is σ = 101300204022. Its totient is φ = 101300204020.

The previous prime is 101300203997. The next prime is 101300204051. The reversal of 101300204021 is 120402003101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99375627121 + 1924576900 = 315239^2 + 43870^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101300204021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101300203987 and 101300204005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101300204051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50650102010 + 50650102011.

It is an arithmetic number, because the mean of its divisors is an integer number (50650102011).

Almost surely, 2^101300204021 is an apocalyptic number.

It is an amenable number.

101300204021 is a deficient number, since it is larger than the sum of its proper divisors (1).

101300204021 is an equidigital number, since it uses as much as digits as its factorization.

101300204021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 101300204021 its reverse (120402003101), we get a palindrome (221702207122).

The spelling of 101300204021 in words is "one hundred one billion, three hundred million, two hundred four thousand, twenty-one".