1110112222121 has 16 divisors (see below), whose sum is σ = 1335969686400. Its totient is φ = 901109484288.

The previous prime is 1110112222097. The next prime is 1110112222123. The reversal of 1110112222121 is 1212222110111.

It is a cyclic number.

It is not a de Polignac number, because 1110112222121 - 2⁶ = 1110112222057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1110112222121.

It is not an unprimeable number, because it can be changed into a prime (1110112222123) 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, 1191536 + ... + 1907873.

It is an arithmetic number, because the mean of its divisors is an integer number (83498105400).

Almost surely, 2^{1110112222121} is an apocalyptic number.

It is an amenable number.

1110112222121 is a deficient number, since it is larger than the sum of its proper divisors (225857464279).

1110112222121 is a wasteful number, since it uses less digits than its factorization.

1110112222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3102128.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1110112222121 its reverse (1212222110111), we get a palindrome (2322334332232).

The spelling of 1110112222121 in words is "one trillion, one hundred ten billion, one hundred twelve million, two hundred twenty-two thousand, one hundred twenty-one".