101846800921 has 2 divisors, whose sum is σ = 101846800922. Its totient is φ = 101846800920.

The previous prime is 101846800901. The next prime is 101846800931. The reversal of 101846800921 is 129008648101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101722723600 + 124077321 = 318940^2 + 11139^2 .

It is a cyclic number.

It is not a de Polignac number, because 101846800921 - 2³¹ = 99699317273 is a prime.

It is not a weakly prime, because it can be changed into another prime (101846800901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50923400460 + 50923400461.

It is an arithmetic number, because the mean of its divisors is an integer number (50923400461).

Almost surely, 2^101846800921 is an apocalyptic number.

It is an amenable number.

101846800921 is a deficient number, since it is larger than the sum of its proper divisors (1).

101846800921 is an equidigital number, since it uses as much as digits as its factorization.

101846800921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 40.

The spelling of 101846800921 in words is "one hundred one billion, eight hundred forty-six million, eight hundred thousand, nine hundred twenty-one".