2122110002220 has 96 divisors (see below), whose sum is σ = 6406717379328. Its totient is φ = 521733741312.

The previous prime is 2122110002209. The next prime is 2122110002281. The reversal of 2122110002220 is 222000112212.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2122110002220.

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, 999834 + ... + 2289953.

It is an arithmetic number, because the mean of its divisors is an integer number (66736639368).

Almost surely, 2^{2122110002220} is an apocalyptic number.

2122110002220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122110002220 is an abundant number, since it is smaller than the sum of its proper divisors (4284607377108).

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

2122110002220 is a wasteful number, since it uses less digits than its factorization.

2122110002220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3290639 (or 3290637 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2122110002220 its reverse (222000112212), we get a palindrome (2344110114432).

The spelling of 2122110002220 in words is "two trillion, one hundred twenty-two billion, one hundred ten million, two thousand, two hundred twenty".