2220021112100 has 36 divisors (see below), whose sum is σ = 5255395435248. Its totient is φ = 807280404000.

The previous prime is 2220021112093. The next prime is 2220021112129. The reversal of 2220021112100 is 12111200222.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1009099406 + ... + 1009101605.

Almost surely, 2^{2220021112100} is an apocalyptic number.

2220021112100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220021112100 is an abundant number, since it is smaller than the sum of its proper divisors (3035374323148).

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

2220021112100 is a wasteful number, since it uses less digits than its factorization.

2220021112100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2018201036 (or 2018201029 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2220021112100 its reverse (12111200222), we get a palindrome (2232132312322).

The spelling of 2220021112100 in words is "two trillion, two hundred twenty billion, twenty-one million, one hundred twelve thousand, one hundred".