2220221202100 has 72 divisors (see below), whose sum is σ = 5256152834688. Its totient is φ = 807309580800.

The previous prime is 2220221202097. The next prime is 2220221202103. The reversal of 2220221202100 is 12021220222.

It is an interprime number because it is at equal distance from previous prime (2220221202097) and next prime (2220221202103).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220221202103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25986652 + ... + 26071948.

It is an arithmetic number, because the mean of its divisors is an integer number (73002122704).

Almost surely, 2^{2220221202100} is an apocalyptic number.

2220221202100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220221202100 is an abundant number, since it is smaller than the sum of its proper divisors (3035931632588).

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

2220221202100 is a wasteful number, since it uses less digits than its factorization.

2220221202100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108985 (or 108978 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2220221202100 its reverse (12021220222), we get a palindrome (2232242422322).

The spelling of 2220221202100 in words is "two trillion, two hundred twenty billion, two hundred twenty-one million, two hundred two thousand, one hundred".