101483517981 has 4 divisors (see below), whose sum is σ = 135311357312. Its totient is φ = 67655678652.

The previous prime is 101483517977. The next prime is 101483518009. The reversal of 101483517981 is 189715384101.

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 101483517981 - 2² = 101483517977 is a prime.

It is a super-2 number, since 2×101483517981² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101483517981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101483517901) 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, 16913919661 + ... + 16913919666.

It is an arithmetic number, because the mean of its divisors is an integer number (33827839328).

Almost surely, 2^101483517981 is an apocalyptic number.

It is an amenable number.

101483517981 is a deficient number, since it is larger than the sum of its proper divisors (33827839331).

101483517981 is an equidigital number, since it uses as much as digits as its factorization.

101483517981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33827839330.

The product of its (nonzero) digits is 241920, while the sum is 48.

The spelling of 101483517981 in words is "one hundred one billion, four hundred eighty-three million, five hundred seventeen thousand, nine hundred eighty-one".