10121111221112 has 16 divisors (see below), whose sum is σ = 19031772546360. Its totient is φ = 5045971875424.

The previous prime is 10121111221087. The next prime is 10121111221121. The reversal of 10121111221112 is 21112211112101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1822963943 + ... + 1822969494.

Almost surely, 2^{10121111221112} is an apocalyptic number.

It is an amenable number.

10121111221112 is a deficient number, since it is larger than the sum of its proper divisors (8910661325248).

10121111221112 is a wasteful number, since it uses less digits than its factorization.

10121111221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3645933790 (or 3645933786 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 10121111221112 its reverse (21112211112101), we get a palindrome (31233322333213).

The spelling of 10121111221112 in words is "ten trillion, one hundred twenty-one billion, one hundred eleven million, two hundred twenty-one thousand, one hundred twelve".