2102234202220 has 48 divisors (see below), whose sum is σ = 4664713616640. Its totient is φ = 793607046336.

The previous prime is 2102234202203. The next prime is 2102234202221. The reversal of 2102234202220 is 222024322012.

It is a junction number, because it is equal to n+sod(n) for n = 2102234202191 and 2102234202200.

It is not an unprimeable number, because it can be changed into a prime (2102234202221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10417542 + ... + 10617421.

It is an arithmetic number, because the mean of its divisors is an integer number (97181533680).

Almost surely, 2^{2102234202220} is an apocalyptic number.

2102234202220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102234202220 is an abundant number, since it is smaller than the sum of its proper divisors (2562479414420).

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

2102234202220 is a wasteful number, since it uses less digits than its factorization.

2102234202220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21035254 (or 21035252 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 2102234202220 its reverse (222024322012), we get a palindrome (2324258524232).

The spelling of 2102234202220 in words is "two trillion, one hundred two billion, two hundred thirty-four million, two hundred two thousand, two hundred twenty".