2210102021200 has 60 divisors (see below), whose sum is σ = 5332559043708. Its totient is φ = 880246604800.

The previous prime is 2210102021107. The next prime is 2210102021203. The reversal of 2210102021200 is 21202010122.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 35196761664 + 2174905259536 = 187608^2 + 1474756^2 .

It is a super-2 number, since 2×2210102021200² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210102021203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11763571 + ... + 11949970.

Almost surely, 2^{2210102021200} is an apocalyptic number.

2210102021200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2210102021200 is an abundant number, since it is smaller than the sum of its proper divisors (3122457022508).

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

2210102021200 is a wasteful number, since it uses less digits than its factorization.

2210102021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23713792 (or 23713781 counting only the distinct ones).

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

Adding to 2210102021200 its reverse (21202010122), we get a palindrome (2231304031322).

The spelling of 2210102021200 in words is "two trillion, two hundred ten billion, one hundred two million, twenty-one thousand, two hundred".