2013221210 has 64 divisors (see below), whose sum is σ = 4865543424. Its totient is φ = 579225600.

The previous prime is 2013221167. The next prime is 2013221219. The reversal of 2013221210 is 121223102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (2013221219) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90551 + ... + 110570.

It is an arithmetic number, because the mean of its divisors is an integer number (76024116).

Almost surely, 2^2013221210 is an apocalyptic number.

2013221210 is an abundant number, since it is smaller than the sum of its proper divisors (2852322214).

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

2013221210 is a wasteful number, since it uses less digits than its factorization.

2013221210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201159.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2013221210 is about 44868.9336846776. The cubic root of 2013221210 is about 1262.6912347639.

Adding to 2013221210 its reverse (121223102), we get a palindrome (2134444312).

The spelling of 2013221210 in words is "two billion, thirteen million, two hundred twenty-one thousand, two hundred ten".