1112111100121 has 16 divisors (see below), whose sum is σ = 1326371364864. Its totient is φ = 911705590224.

The previous prime is 1112111100101. The next prime is 1112111100137. The reversal of 1112111100121 is 1210011112111.

It is not a de Polignac number, because 1112111100121 - 2¹³ = 1112111091929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1112111100101) 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, 1382116 + ... + 2033338.

It is an arithmetic number, because the mean of its divisors is an integer number (82898210304).

Almost surely, 2^{1112111100121} is an apocalyptic number.

It is an amenable number.

1112111100121 is a deficient number, since it is larger than the sum of its proper divisors (214260264743).

1112111100121 is a wasteful number, since it uses less digits than its factorization.

1112111100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661860.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 1112111100121 its reverse (1210011112111), we get a palindrome (2322122212232).

The spelling of 1112111100121 in words is "one trillion, one hundred twelve billion, one hundred eleven million, one hundred thousand, one hundred twenty-one".