2222220020100 has 72 divisors (see below), whose sum is σ = 6429995308128. Its totient is φ = 592557715200.

The previous prime is 2222220020099. The next prime is 2222220020171. The reversal of 2222220020100 is 10200222222.

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 2222220020100.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5207007 + ... + 5617593.

Almost surely, 2^{2222220020100} is an apocalyptic number.

2222220020100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222220020100 is an abundant number, since it is smaller than the sum of its proper divisors (4207775288028).

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

2222220020100 is a wasteful number, since it uses less digits than its factorization.

2222220020100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428645 (or 428638 counting only the distinct ones).

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

Adding to 2222220020100 its reverse (10200222222), we get a palindrome (2232420242322).

The spelling of 2222220020100 in words is "two trillion, two hundred twenty-two billion, two hundred twenty million, twenty thousand, one hundred".