222222200000100 has 36 divisors (see below), whose sum is σ = 642962898667824. Its totient is φ = 59259253333280.

The previous prime is 222222200000083. The next prime is 222222200000107. The reversal of 222222200000100 is 1000002222222.

It is a super-5 number, since 5×222222200000100⁵ (a number of 73 digits) contains 55555 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 222222200000100.

It is not an unprimeable number, because it can be changed into a prime (222222200000107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 370370333034 + ... + 370370333633.

Almost surely, 2^{222222200000100} is an apocalyptic number.

222222200000100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222222200000100 is an abundant number, since it is smaller than the sum of its proper divisors (420740698667724).

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

222222200000100 is a wasteful number, since it uses less digits than its factorization.

222222200000100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740740666684 (or 740740666677 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 222222200000100 its reverse (1000002222222), we get a palindrome (223222202222322).

The spelling of 222222200000100 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, two hundred million, one hundred", and thus it is an aban number.