101138944633 has 4 divisors (see below), whose sum is σ = 103290837120. Its totient is φ = 98987052148.

The previous prime is 101138944619. The next prime is 101138944639. The reversal of 101138944633 is 336449831101.

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, and also an emirpimes, since its reverse is a distinct semiprime: 336449831101 = 64937 ⋅5181173.

It is a cyclic number.

It is not a de Polignac number, because 101138944633 - 2³³ = 92549010041 is a prime.

It is a super-2 number, since 2×101138944633² (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 101138944633.

It is not an unprimeable number, because it can be changed into a prime (101138944639) 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, 1075946173 + ... + 1075946266.

It is an arithmetic number, because the mean of its divisors is an integer number (25822709280).

Almost surely, 2^101138944633 is an apocalyptic number.

It is an amenable number.

101138944633 is a deficient number, since it is larger than the sum of its proper divisors (2151892487).

101138944633 is an equidigital number, since it uses as much as digits as its factorization.

101138944633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2151892486.

The product of its (nonzero) digits is 186624, while the sum is 43.

The spelling of 101138944633 in words is "one hundred one billion, one hundred thirty-eight million, nine hundred forty-four thousand, six hundred thirty-three".