221111000011122 has 32 divisors (see below), whose sum is σ = 496945123774848. Its totient is φ = 65076147159936.

The previous prime is 221111000011093. The next prime is 221111000011141. The reversal of 221111000011122 is 221110000111122.

It is a happy number.

It is a super-3 number, since 3×221111000011122³ (a number of 44 digits) contains 333 as substring.

It is a zygodrome in base 10.

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, 61625137563 + ... + 61625141150.

It is an arithmetic number, because the mean of its divisors is an integer number (15529535117964).

Almost surely, 2^{221111000011122} is an apocalyptic number.

221111000011122 is an abundant number, since it is smaller than the sum of its proper divisors (275834123763726).

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

221111000011122 is a wasteful number, since it uses less digits than its factorization.

221111000011122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123250278754.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 221111000011122 its reverse (221110000111122), we get a palindrome (442221000122244).

The spelling of 221111000011122 in words is "two hundred twenty-one trillion, one hundred eleven billion, eleven thousand, one hundred twenty-two".