1112121201121 has 16 divisors (see below), whose sum is σ = 1301556893824. Its totient is φ = 930360017664.

The previous prime is 1112121201109. The next prime is 1112121201131. The reversal of 1112121201121 is 1211021212111.

It is not a de Polignac number, because 1112121201121 - 2¹¹ = 1112121199073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112121201095 and 1112121201104.

It is not an unprimeable number, because it can be changed into a prime (1112121201131) 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, 1033950 + ... + 1814743.

It is an arithmetic number, because the mean of its divisors is an integer number (81347305864).

Almost surely, 2^{1112121201121} is an apocalyptic number.

It is an amenable number.

1112121201121 is a deficient number, since it is larger than the sum of its proper divisors (189435692703).

1112121201121 is a wasteful number, since it uses less digits than its factorization.

1112121201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2850040.

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

Adding to 1112121201121 its reverse (1211021212111), we get a palindrome (2323142413232).

The spelling of 1112121201121 in words is "one trillion, one hundred twelve billion, one hundred twenty-one million, two hundred one thousand, one hundred twenty-one".