102222222211200 has 768 divisors, whose sum is σ = 414488848515840. Its totient is φ = 21562785792000.

The previous prime is 102222222211189. The next prime is 102222222211247. The reversal of 102222222211200 is 2112222222201.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4732280400 + ... + 4732302000.

It is an arithmetic number, because the mean of its divisors is an integer number (539699021505).

Almost surely, 2^{102222222211200} is an apocalyptic number.

102222222211200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102222222211200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207244424257920).

102222222211200 is an abundant number, since it is smaller than the sum of its proper divisors (312266626304640).

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

102222222211200 is a wasteful number, since it uses less digits than its factorization.

102222222211200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27065 (or 27048 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 102222222211200 its reverse (2112222222201), we get a palindrome (104334444433401).

The spelling of 102222222211200 in words is "one hundred two trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred eleven thousand, two hundred".