2210102001220 has 12 divisors (see below), whose sum is σ = 4641214202604. Its totient is φ = 884040800480.

The previous prime is 2210102001209. The next prime is 2210102001253. The reversal of 2210102001220 is 221002010122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 601080786436 + 1609021214784 = 775294^2 + 1268472^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2210102001220.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55252550011 + ... + 55252550050.

It is an arithmetic number, because the mean of its divisors is an integer number (386767850217).

Almost surely, 2^{2210102001220} is an apocalyptic number.

2210102001220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2210102001220 is an abundant number, since it is smaller than the sum of its proper divisors (2431112201384).

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

2210102001220 is a wasteful number, since it uses less digits than its factorization.

2210102001220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110505100070 (or 110505100068 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2210102001220 its reverse (221002010122), we get a palindrome (2431104011342).

The spelling of 2210102001220 in words is "two trillion, two hundred ten billion, one hundred two million, one thousand, two hundred twenty".