111200221122 has 16 divisors (see below), whose sum is σ = 227572546080. Its totient is φ = 36204723072.

The previous prime is 111200221103. The next prime is 111200221133. The reversal of 111200221122 is 221122002111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215504047 + ... + 215504562.

It is an arithmetic number, because the mean of its divisors is an integer number (14223284130).

Almost surely, 2^111200221122 is an apocalyptic number.

111200221122 is an abundant number, since it is smaller than the sum of its proper divisors (116372324958).

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

111200221122 is a wasteful number, since it uses less digits than its factorization.

111200221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431008657.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 111200221122 its reverse (221122002111), we get a palindrome (332322223233).

The spelling of 111200221122 in words is "one hundred eleven billion, two hundred million, two hundred twenty-one thousand, one hundred twenty-two".