111221011210022 has 32 divisors (see below), whose sum is σ = 196818882484224. Its totient is φ = 46127634408000.

The previous prime is 111221011210013. The next prime is 111221011210061. The reversal of 111221011210022 is 220012110122111.

It is a super-2 number, since 2×111221011210022² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20128418 + ... + 25051850.

It is an arithmetic number, because the mean of its divisors is an integer number (6150590077632).

Almost surely, 2^{111221011210022} is an apocalyptic number.

111221011210022 is a deficient number, since it is larger than the sum of its proper divisors (85597871274202).

111221011210022 is a wasteful number, since it uses less digits than its factorization.

111221011210022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4975524.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111221011210022 its reverse (220012110122111), we get a palindrome (331233121332133).

The spelling of 111221011210022 in words is "one hundred eleven trillion, two hundred twenty-one billion, eleven million, two hundred ten thousand, twenty-two".