1111200032123 has 16 divisors (see below), whose sum is σ = 1215302244000. Its totient is φ = 1011976664832.

The previous prime is 1111200032119. The next prime is 1111200032167. The reversal of 1111200032123 is 3212300021111.

It is not a de Polignac number, because 1111200032123 - 2² = 1111200032119 is a prime.

It is a super-2 number, since 2×1111200032123² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1111200032113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4277090 + ... + 4529447.

It is an arithmetic number, because the mean of its divisors is an integer number (75956390250).

Almost surely, 2^{1111200032123} is an apocalyptic number.

1111200032123 is a deficient number, since it is larger than the sum of its proper divisors (104102211877).

1111200032123 is a wasteful number, since it uses less digits than its factorization.

1111200032123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8806814.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1111200032123 its reverse (3212300021111), we get a palindrome (4323500053234).

The spelling of 1111200032123 in words is "one trillion, one hundred eleven billion, two hundred million, thirty-two thousand, one hundred twenty-three".