2222212200100 has 36 divisors (see below), whose sum is σ = 4988483255700. Its totient is φ = 858233676160.

The previous prime is 2222212200077. The next prime is 2222212200107. The reversal of 2222212200100 is 10022122222.

It can be written as a sum of positive squares in 6 ways, for example, as 13873541796 + 2208338658304 = 117786^2 + 1486048^2 .

It is not an unprimeable number, because it can be changed into a prime (2222212200107) 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, 383137135 + ... + 383142934.

It is an arithmetic number, because the mean of its divisors is an integer number (138568979325).

Almost surely, 2^{2222212200100} is an apocalyptic number.

2222212200100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222212200100 is an abundant number, since it is smaller than the sum of its proper divisors (2766271055600).

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

2222212200100 is a wasteful number, since it uses less digits than its factorization.

2222212200100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766280112 (or 766280105 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2222212200100 its reverse (10022122222), we get a palindrome (2232234322322).

The spelling of 2222212200100 in words is "two trillion, two hundred twenty-two billion, two hundred twelve million, two hundred thousand, one hundred".