101012020320203 has 4 divisors (see below), whose sum is σ = 101012079256200. Its totient is φ = 101011961384208.

The previous prime is 101012020320191. The next prime is 101012020320217. The reversal of 101012020320203 is 302023020210101.

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

It is a cyclic number.

It is not a de Polignac number, because 101012020320203 - 2³⁰ = 101010946578379 is a prime.

It is a super-4 number, since 4×101012020320203⁴ (a number of 57 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101012020320283) 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, 26817650 + ... + 30351447.

It is an arithmetic number, because the mean of its divisors is an integer number (25253019814050).

Almost surely, 2^{101012020320203} is an apocalyptic number.

101012020320203 is a deficient number, since it is larger than the sum of its proper divisors (58935997).

101012020320203 is an equidigital number, since it uses as much as digits as its factorization.

101012020320203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58935996.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 101012020320203 its reverse (302023020210101), we get a palindrome (403035040530304).

The spelling of 101012020320203 in words is "one hundred one trillion, twelve billion, twenty million, three hundred twenty thousand, two hundred three".