1121121111110 has 64 divisors (see below), whose sum is σ = 2709506709504. Its totient is φ = 322560316800.

The previous prime is 1121121111107. The next prime is 1121121111133. The reversal of 1121121111110 is 111111211211.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55990046 + ... + 56010065.

It is an arithmetic number, because the mean of its divisors is an integer number (42336042336).

Almost surely, 2^{1121121111110} is an apocalyptic number.

1121121111110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1121121111110 is an abundant number, since it is smaller than the sum of its proper divisors (1588385598394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1121121111110 is a wasteful number, since it uses less digits than its factorization.

1121121111110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112000149.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 1121121111110 its reverse (111111211211), we get a palindrome (1232232322321).

The spelling of 1121121111110 in words is "one trillion, one hundred twenty-one billion, one hundred twenty-one million, one hundred eleven thousand, one hundred ten".