111203010213023 has 4 divisors (see below), whose sum is σ = 111371244722328. Its totient is φ = 111034775703720.

The previous prime is 111203010212909. The next prime is 111203010213049. The reversal of 111203010213023 is 320312010302111.

It is a happy number.

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 111203010213023 - 2¹⁰ = 111203010211999 is a prime.

It is a super-2 number, since 2×111203010213023² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111203010212986 and 111203010213004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111203010213073) 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, 84117253661 + ... + 84117254982.

It is an arithmetic number, because the mean of its divisors is an integer number (27842811180582).

Almost surely, 2^{111203010213023} is an apocalyptic number.

111203010213023 is a deficient number, since it is larger than the sum of its proper divisors (168234509305).

111203010213023 is an equidigital number, since it uses as much as digits as its factorization.

111203010213023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168234509304.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 111203010213023 its reverse (320312010302111), we get a palindrome (431515020515134).

The spelling of 111203010213023 in words is "one hundred eleven trillion, two hundred three billion, ten million, two hundred thirteen thousand, twenty-three".