2212222202100 has 108 divisors (see below), whose sum is σ = 6935116158880. Its totient is φ = 589838414400.

The previous prime is 2212222201963. The next prime is 2212222202111. The reversal of 2212222202100 is 12022222122.

2212222202100 is a `hidden beast` number, since 2 + 212 + 22 + 220 + 210 + 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 polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6005031 + ... + 6362769.

Almost surely, 2^{2212222202100} is an apocalyptic number.

2212222202100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212222202100 is an abundant number, since it is smaller than the sum of its proper divisors (4722893956780).

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

2212222202100 is a wasteful number, since it uses less digits than its factorization.

2212222202100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364630 (or 364620 counting only the distinct ones).

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

Adding to 2212222202100 its reverse (12022222122), we get a palindrome (2224244424222).

The spelling of 2212222202100 in words is "two trillion, two hundred twelve billion, two hundred twenty-two million, two hundred two thousand, one hundred".