1110111021122 has 4 divisors (see below), whose sum is σ = 1665166531686. Its totient is φ = 555055510560.

The previous prime is 1110111021121. The next prime is 1110111021157. The reversal of 1110111021122 is 2211201110111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 579210801481 + 530900219641 = 761059^2 + 728629^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1110111021097 and 1110111021106.

It is not an unprimeable number, because it can be changed into a prime (1110111021121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277527755279 + ... + 277527755282.

Almost surely, 2^{1110111021122} is an apocalyptic number.

1110111021122 is a deficient number, since it is larger than the sum of its proper divisors (555055510564).

1110111021122 is an equidigital number, since it uses as much as digits as its factorization.

1110111021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555055510563.

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

Adding to 1110111021122 its reverse (2211201110111), we get a palindrome (3321312131233).

The spelling of 1110111021122 in words is "one trillion, one hundred ten billion, one hundred eleven million, twenty-one thousand, one hundred twenty-two".