2220100021100 has 36 divisors (see below), whose sum is σ = 5188202975424. Its totient is φ = 819729238080.

The previous prime is 2220100021081. The next prime is 2220100021121. The reversal of 2220100021100 is 11200010222.

It is a happy 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 11 ways as a sum of consecutive naturals, for example, 853883324 + ... + 853885923.

Almost surely, 2^{2220100021100} is an apocalyptic number.

2220100021100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220100021100 is an abundant number, since it is smaller than the sum of its proper divisors (2968102954324).

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

2220100021100 is a wasteful number, since it uses less digits than its factorization.

2220100021100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1707769274 (or 1707769267 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2220100021100 its reverse (11200010222), we get a palindrome (2231300031322).

The spelling of 2220100021100 in words is "two trillion, two hundred twenty billion, one hundred million, twenty-one thousand, one hundred".