2210021120 has 72 divisors (see below), whose sum is σ = 5416935216. Its totient is φ = 863428608.

The previous prime is 2210021101. The next prime is 2210021159. The reversal of 2210021120 is 211200122.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34964 + ... + 75116.

Almost surely, 2^2210021120 is an apocalyptic number.

2210021120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2210021120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2708467608).

2210021120 is an abundant number, since it is smaller than the sum of its proper divisors (3206914096).

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

2210021120 is an equidigital number, since it uses as much as digits as its factorization.

2210021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40217 (or 40203 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2210021120 is about 47010.8617236485. The cubic root of 2210021120 is about 1302.5632110377.

Adding to 2210021120 its reverse (211200122), we get a palindrome (2421221242).

The spelling of 2210021120 in words is "two billion, two hundred ten million, twenty-one thousand, one hundred twenty".