221022222111000 has 384 divisors, whose sum is σ = 809394890990400. Its totient is φ = 54182190182400.

The previous prime is 221022222110903. The next prime is 221022222111023. The reversal of 221022222111000 is 111222220122.

It is a happy number.

221022222111000 is a `hidden beast` number, since 2 + 210 + 222 + 221 + 1 + 10 + 0 + 0 = 666.

It is a super-3 number, since 3×221022222111000³ (a number of 44 digits) contains 333 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10218555 + ... + 23376554.

Almost surely, 2^{221022222111000} is an apocalyptic number.

221022222111000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221022222111000 is an abundant number, since it is smaller than the sum of its proper divisors (588372668879400).

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

221022222111000 is a wasteful number, since it uses less digits than its factorization.

221022222111000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33595196 (or 33595179 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 221022222111000 its reverse (111222220122), we get a palindrome (221133444331122).

The spelling of 221022222111000 in words is "two hundred twenty-one trillion, twenty-two billion, two hundred twenty-two million, one hundred eleven thousand".