1111221110122 has 16 divisors (see below), whose sum is σ = 1724432544000. Its totient is φ = 536490097920.

The previous prime is 1111221110117. The next prime is 1111221110147. The reversal of 1111221110122 is 2210111221111.

It is a junction number, because it is equal to n+sod(n) for n = 1111221110096 and 1111221110105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19930872 + ... + 19986547.

It is an arithmetic number, because the mean of its divisors is an integer number (107777034000).

Almost surely, 2^{1111221110122} is an apocalyptic number.

1111221110122 is a deficient number, since it is larger than the sum of its proper divisors (613211433878).

1111221110122 is a wasteful number, since it uses less digits than its factorization.

1111221110122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39917901.

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

Adding to 1111221110122 its reverse (2210111221111), we get a palindrome (3321332331233).

The spelling of 1111221110122 in words is "one trillion, one hundred eleven billion, two hundred twenty-one million, one hundred ten thousand, one hundred twenty-two".