2210121232 has 80 divisors (see below), whose sum is σ = 4789907712. Its totient is φ = 979292160.

The previous prime is 2210121217. The next prime is 2210121239. The reversal of 2210121232 is 2321210122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (2210121239) 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, 3283648 + ... + 3284320.

Almost surely, 2^2210121232 is an apocalyptic number.

2210121232 is a gapful number since it is divisible by the number (22) 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 2210121232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2394953856).

2210121232 is an abundant number, since it is smaller than the sum of its proper divisors (2579786480).

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

2210121232 is a wasteful number, since it uses less digits than its factorization.

2210121232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1136 (or 1130 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2210121232 is about 47011.9264867969. The cubic root of 2210121232 is about 1302.5828790608.

Adding to 2210121232 its reverse (2321210122), we get a palindrome (4531331354).

The spelling of 2210121232 in words is "two billion, two hundred ten million, one hundred twenty-one thousand, two hundred thirty-two".