2122110001220 has 48 divisors (see below), whose sum is σ = 4866276998016. Its totient is φ = 770927808000.

The previous prime is 2122110001217. The next prime is 2122110001243. The reversal of 2122110001220 is 221000112212.

It is a junction number, because it is equal to n+sod(n) for n = 2122110001195 and 2122110001204.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4451141 + ... + 4904780.

It is an arithmetic number, because the mean of its divisors is an integer number (101380770792).

Almost surely, 2^{2122110001220} is an apocalyptic number.

2122110001220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122110001220 is an abundant number, since it is smaller than the sum of its proper divisors (2744166996796).

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

2122110001220 is a wasteful number, since it uses less digits than its factorization.

2122110001220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9356972 (or 9356970 counting only the distinct ones).

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

Adding to 2122110001220 its reverse (221000112212), we get a palindrome (2343110113432).

The spelling of 2122110001220 in words is "two trillion, one hundred twenty-two billion, one hundred ten million, one thousand, two hundred twenty".