101000020901 has 8 divisors (see below), whose sum is σ = 108910706520. Its totient is φ = 93109542912.

The previous prime is 101000020897. The next prime is 101000020909. The reversal of 101000020901 is 109020000101.

It can be written as a sum of positive squares in 4 ways, for example, as 2152032100 + 98847988801 = 46390^2 + 314401^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101000020901 - 2² = 101000020897 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101000020909) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5041520 + ... + 5061513.

It is an arithmetic number, because the mean of its divisors is an integer number (13613838315).

Almost surely, 2^101000020901 is an apocalyptic number.

It is an amenable number.

101000020901 is a deficient number, since it is larger than the sum of its proper divisors (7910685619).

101000020901 is a wasteful number, since it uses less digits than its factorization.

101000020901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10103815.

The product of its (nonzero) digits is 18, while the sum is 14.

The spelling of 101000020901 in words is "one hundred one billion, twenty thousand, nine hundred one".