111221111122022 has 16 divisors (see below), whose sum is σ = 186230697694272. Its totient is φ = 49379351660520.

The previous prime is 111221111122007. The next prime is 111221111122081. The reversal of 111221111122022 is 220221111122111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111221111121985 and 111221111122003.

It is a congruent number.

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, 58784941508 + ... + 58784943399.

It is an arithmetic number, because the mean of its divisors is an integer number (11639418605892).

Almost surely, 2^{111221111122022} is an apocalyptic number.

111221111122022 is a deficient number, since it is larger than the sum of its proper divisors (75009586572250).

111221111122022 is a wasteful number, since it uses less digits than its factorization.

111221111122022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117569884963.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 111221111122022 its reverse (220221111122111), we get a palindrome (331442222244133).

The spelling of 111221111122022 in words is "one hundred eleven trillion, two hundred twenty-one billion, one hundred eleven million, one hundred twenty-two thousand, twenty-two".