101120303021 has 4 divisors (see below), whose sum is σ = 101122005852. Its totient is φ = 101118600192.

The previous prime is 101120302961. The next prime is 101120303041. The reversal of 101120303021 is 120303021101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 50737562500 + 50382740521 = 225250^2 + 224461^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101120303021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101120302987 and 101120303005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101120303041) 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, 758996 + ... + 882221.

It is an arithmetic number, because the mean of its divisors is an integer number (25280501463).

Almost surely, 2^101120303021 is an apocalyptic number.

It is an amenable number.

101120303021 is a deficient number, since it is larger than the sum of its proper divisors (1702831).

101120303021 is an equidigital number, since it uses as much as digits as its factorization.

101120303021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1702830.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 101120303021 its reverse (120303021101), we get a palindrome (221423324122).

It can be divided in two parts, 101 and 120303021, that multiplied together give a palindrome (12150605121).

The spelling of 101120303021 in words is "one hundred one billion, one hundred twenty million, three hundred three thousand, twenty-one".