2211200022220 has 96 divisors (see below), whose sum is σ = 5319589524480. Its totient is φ = 756311765760.

The previous prime is 2211200022193. The next prime is 2211200022257. The reversal of 2211200022220 is 222200021122.

It is a junction number, because it is equal to n+sod(n) for n = 2211200022194 and 2211200022203.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146516875 + ... + 146531965.

It is an arithmetic number, because the mean of its divisors is an integer number (55412390880).

Almost surely, 2^{2211200022220} is an apocalyptic number.

2211200022220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211200022220 is an abundant number, since it is smaller than the sum of its proper divisors (3108389502260).

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

2211200022220 is a wasteful number, since it uses less digits than its factorization.

2211200022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17543 (or 17541 counting only the distinct ones).

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

Adding to 2211200022220 its reverse (222200021122), we get a palindrome (2433400043342).

The spelling of 2211200022220 in words is "two trillion, two hundred eleven billion, two hundred million, twenty-two thousand, two hundred twenty".