101315521641 has 4 divisors (see below), whose sum is σ = 135087362192. Its totient is φ = 67543681092.

The previous prime is 101315521631. The next prime is 101315521649. The reversal of 101315521641 is 146125513101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 101315521641 - 2⁵ = 101315521609 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 101315521599 and 101315521608.

It is not an unprimeable number, because it can be changed into a prime (101315521649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16885920271 + ... + 16885920276.

It is an arithmetic number, because the mean of its divisors is an integer number (33771840548).

Almost surely, 2^101315521641 is an apocalyptic number.

It is an amenable number.

101315521641 is a deficient number, since it is larger than the sum of its proper divisors (33771840551).

101315521641 is an equidigital number, since it uses as much as digits as its factorization.

101315521641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33771840550.

The product of its (nonzero) digits is 3600, while the sum is 30.

The spelling of 101315521641 in words is "one hundred one billion, three hundred fifteen million, five hundred twenty-one thousand, six hundred forty-one".