122222221111000 has 32 divisors (see below), whose sum is σ = 285999997402080. Its totient is φ = 48888888444000.

The previous prime is 122222221110973. The next prime is 122222221111009. The reversal of 122222221111000 is 111122222221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122222221111009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61111109556 + ... + 61111111555.

It is an arithmetic number, because the mean of its divisors is an integer number (8937499918815).

Almost surely, 2^{122222221111000} is an apocalyptic number.

122222221111000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122222221111000 is an abundant number, since it is smaller than the sum of its proper divisors (163777776291080).

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

122222221111000 is a wasteful number, since it uses less digits than its factorization.

122222221111000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122222221132 (or 122222221118 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122222221111000 its reverse (111122222221), we get a palindrome (122333343333221).

It can be divided in two parts, 122222221 and 111000, that added together give a palindrome (122333221).

The spelling of 122222221111000 in words is "one hundred twenty-two trillion, two hundred twenty-two billion, two hundred twenty-one million, one hundred eleven thousand".