2220012022100 has 36 divisors (see below), whose sum is σ = 4817635497948. Its totient is φ = 887966208000.

The previous prime is 2220012022087. The next prime is 2220012022139. The reversal of 2220012022100 is 12202100222.

It can be written as a sum of positive squares in 6 ways, for example, as 56000382736 + 2164011639364 = 236644^2 + 1471058^2 .

It is a congruent number.

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, 1887380 + ... + 2828820.

Almost surely, 2^{2220012022100} is an apocalyptic number.

2220012022100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220012022100 is an abundant number, since it is smaller than the sum of its proper divisors (2597623475848).

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

2220012022100 is a wasteful number, since it uses less digits than its factorization.

2220012022100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965036 (or 965029 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2220012022100 its reverse (12202100222), we get a palindrome (2232214122322).

The spelling of 2220012022100 in words is "two trillion, two hundred twenty billion, twelve million, twenty-two thousand, one hundred".