111201211022022 has 56 divisors (see below), whose sum is σ = 272823622142760. Its totient is φ = 33697336668480.

The previous prime is 111201211022003. The next prime is 111201211022101. The reversal of 111201211022022 is 220220112102111.

111201211022022 is a `hidden beast` number, since 1 + 11 + 201 + 211 + 0 + 220 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 111201211021986 and 111201211022004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 3466788147 + ... + 3466820222.

Almost surely, 2^{111201211022022} is an apocalyptic number.

111201211022022 is an abundant number, since it is smaller than the sum of its proper divisors (161622411120738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111201211022022 is an equidigital number, since it uses as much as digits as its factorization.

111201211022022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6933608400 (or 6933608385 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 111201211022022 its reverse (220220112102111), we get a palindrome (331421323124133).

The spelling of 111201211022022 in words is "one hundred eleven trillion, two hundred one billion, two hundred eleven million, twenty-two thousand, twenty-two".