1110120121005 has 64 divisors (see below), whose sum is σ = 2046476156928. Its totient is φ = 503350122240.

The previous prime is 1110120120919. The next prime is 1110120121111. The reversal of 1110120121005 is 5001210210111.

It is not a de Polignac number, because 1110120121005 - 2¹¹ = 1110120118957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 61211919 + ... + 61230051.

It is an arithmetic number, because the mean of its divisors is an integer number (31976189952).

Almost surely, 2^{1110120121005} is an apocalyptic number.

1110120121005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1110120121005 is a deficient number, since it is larger than the sum of its proper divisors (936356035923).

1110120121005 is a wasteful number, since it uses less digits than its factorization.

1110120121005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22866.

The product of its (nonzero) digits is 20, while the sum is 15.

Adding to 1110120121005 its reverse (5001210210111), we get a palindrome (6111330331116).

The spelling of 1110120121005 in words is "one trillion, one hundred ten billion, one hundred twenty million, one hundred twenty-one thousand, five".