2120221110210 has 32 divisors (see below), whose sum is σ = 5815463617152. Its totient is φ = 484621968000.

The previous prime is 2120221110143. The next prime is 2120221110221. The reversal of 2120221110210 is 120111220212.

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 2120221110210.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5048145291 + ... + 5048145710.

It is an arithmetic number, because the mean of its divisors is an integer number (181733238036).

Almost surely, 2^{2120221110210} is an apocalyptic number.

2120221110210 is an abundant number, since it is smaller than the sum of its proper divisors (3695242506942).

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

2120221110210 is a wasteful number, since it uses less digits than its factorization.

2120221110210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10096291018.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2120221110210 its reverse (120111220212), we get a palindrome (2240332330422).

The spelling of 2120221110210 in words is "two trillion, one hundred twenty billion, two hundred twenty-one million, one hundred ten thousand, two hundred ten".