1110000222121 has 16 divisors (see below), whose sum is σ = 1343553899904. Its totient is φ = 895222128384.

The previous prime is 1110000222091. The next prime is 1110000222173. The reversal of 1110000222121 is 1212220000111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1110000222121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1110000262121) 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, 805135 + ... + 1693588.

It is an arithmetic number, because the mean of its divisors is an integer number (83972118744).

Almost surely, 2^{1110000222121} is an apocalyptic number.

It is an amenable number.

1110000222121 is a deficient number, since it is larger than the sum of its proper divisors (233553677783).

1110000222121 is a wasteful number, since it uses less digits than its factorization.

1110000222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502480.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1110000222121 its reverse (1212220000111), we get a palindrome (2322220222232).

The spelling of 1110000222121 in words is "one trillion, one hundred ten billion, two hundred twenty-two thousand, one hundred twenty-one".