101011023203 has 4 divisors (see below), whose sum is σ = 101782099848. Its totient is φ = 100239946560.

The previous prime is 101011023109. The next prime is 101011023247. The reversal of 101011023203 is 302320110101.

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 101011023203 - 2²⁰ = 101009974627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101011023263) 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, 385538126 + ... + 385538387.

It is an arithmetic number, because the mean of its divisors is an integer number (25445524962).

Almost surely, 2^101011023203 is an apocalyptic number.

101011023203 is a deficient number, since it is larger than the sum of its proper divisors (771076645).

101011023203 is an equidigital number, since it uses as much as digits as its factorization.

101011023203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771076644.

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

Adding to 101011023203 its reverse (302320110101), we get a palindrome (403331133304).

The spelling of 101011023203 in words is "one hundred one billion, eleven million, twenty-three thousand, two hundred three".