101111213031203 has 4 divisors (see below), whose sum is σ = 101112995191560. Its totient is φ = 101109430870848.

The previous prime is 101111213031187. The next prime is 101111213031239. The reversal of 101111213031203 is 302130312111101.

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 101111213031203 - 2⁴ = 101111213031187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101111213033203) 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, 890995073 + ... + 891108546.

It is an arithmetic number, because the mean of its divisors is an integer number (25278248797890).

Almost surely, 2^{101111213031203} is an apocalyptic number.

101111213031203 is a deficient number, since it is larger than the sum of its proper divisors (1782160357).

101111213031203 is an equidigital number, since it uses as much as digits as its factorization.

101111213031203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1782160356.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 101111213031203 its reverse (302130312111101), we get a palindrome (403241525142304).

The spelling of 101111213031203 in words is "one hundred one trillion, one hundred eleven billion, two hundred thirteen million, thirty-one thousand, two hundred three".