222022212011100 has 360 divisors, whose sum is σ = 778257807687360. Its totient is φ = 54537619783680.

The previous prime is 222022212011059. The next prime is 222022212011101. The reversal of 222022212011100 is 1110212220222.

It is a happy number.

222022212011100 is a `hidden beast` number, since 2 + 220 + 222 + 120 + 1 + 1 + 100 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222022212011101) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 10680885 + ... + 23624684.

It is an arithmetic number, because the mean of its divisors is an integer number (2161827243576).

Almost surely, 2^{222022212011100} is an apocalyptic number.

222022212011100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222022212011100 is an abundant number, since it is smaller than the sum of its proper divisors (556235595676260).

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

222022212011100 is a wasteful number, since it uses less digits than its factorization.

222022212011100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34305659 (or 34305643 counting only the distinct ones).

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

Adding to 222022212011100 its reverse (1110212220222), we get a palindrome (223132424231322).

The spelling of 222022212011100 in words is "two hundred twenty-two trillion, twenty-two billion, two hundred twelve million, eleven thousand, one hundred".