111001001221222 has 32 divisors (see below), whose sum is σ = 190403001342720. Its totient is φ = 47542971500640.

The previous prime is 111001001221213. The next prime is 111001001221259. The reversal of 111001001221222 is 222122100100111.

It is a super-2 number, since 2×111001001221222² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111001001221196 and 111001001221205.

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, 207997972 + ... + 208530952.

It is an arithmetic number, because the mean of its divisors is an integer number (5950093791960).

Almost surely, 2^{111001001221222} is an apocalyptic number.

111001001221222 is a deficient number, since it is larger than the sum of its proper divisors (79402000121498).

111001001221222 is a wasteful number, since it uses less digits than its factorization.

111001001221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541996.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111001001221222 its reverse (222122100100111), we get a palindrome (333123101321333).

The spelling of 111001001221222 in words is "one hundred eleven trillion, one billion, one million, two hundred twenty-one thousand, two hundred twenty-two".