2222222210100 has 360 divisors, whose sum is σ = 7287270314016. Its totient is φ = 585727200000.

The previous prime is 2222222210099. The next prime is 2222222210171. The reversal of 2222222210100 is 10122222222.

2222222210100 is a `hidden beast` number, since 2 + 222 + 222 + 210 + 10 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 565305135 + ... + 565309065.

Almost surely, 2^{2222222210100} is an apocalyptic number.

2222222210100 is a gapful number since it is divisible by the number (20) 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 2222222210100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3643635157008).

2222222210100 is an abundant number, since it is smaller than the sum of its proper divisors (5065048103916).

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

2222222210100 is a wasteful number, since it uses less digits than its factorization.

2222222210100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4749 (or 4733 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2222222210100 its reverse (10122222222), we get a palindrome (2232344432322).

The spelling of 2222222210100 in words is "two trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred ten thousand, one hundred".