122111112003 has 4 divisors (see below), whose sum is σ = 162814816008. Its totient is φ = 81407408000.

The previous prime is 122111111987. The next prime is 122111112017. The reversal of 122111112003 is 300211111221.

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 122111112003 - 2⁴ = 122111111987 is a prime.

It is a super-2 number, since 2×122111112003² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122111116003) 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, 20351851998 + ... + 20351852003.

It is an arithmetic number, because the mean of its divisors is an integer number (40703704002).

Almost surely, 2^122111112003 is an apocalyptic number.

122111112003 is a deficient number, since it is larger than the sum of its proper divisors (40703704005).

122111112003 is an equidigital number, since it uses as much as digits as its factorization.

122111112003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40703704004.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 122111112003 its reverse (300211111221), we get a palindrome (422322223224).

The spelling of 122111112003 in words is "one hundred twenty-two billion, one hundred eleven million, one hundred twelve thousand, three".