1111202011121 has 16 divisors (see below), whose sum is σ = 1128869642880. Its totient is φ = 1093592223360.

The previous prime is 1111202011103. The next prime is 1111202011133. The reversal of 1111202011121 is 1211102021111.

It is a cyclic number.

It is not a de Polignac number, because 1111202011121 - 2¹⁴ = 1111201994737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111202011096 and 1111202011105.

It is not an unprimeable number, because it can be changed into a prime (1111202011181) 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, 106238390 + ... + 106248848.

It is an arithmetic number, because the mean of its divisors is an integer number (70554352680).

Almost surely, 2^{1111202011121} is an apocalyptic number.

It is an amenable number.

1111202011121 is a deficient number, since it is larger than the sum of its proper divisors (17667631759).

1111202011121 is a wasteful number, since it uses less digits than its factorization.

1111202011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13064.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1111202011121 its reverse (1211102021111), we get a palindrome (2322304032232).

The spelling of 1111202011121 in words is "one trillion, one hundred eleven billion, two hundred two million, eleven thousand, one hundred twenty-one".