2211221200210 has 32 divisors (see below), whose sum is σ = 4385024817984. Its totient is φ = 796119240000.

The previous prime is 2211221200207. The next prime is 2211221200259. The reversal of 2211221200210 is 120021221122.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99503796 + ... + 99526015.

It is an arithmetic number, because the mean of its divisors is an integer number (137032025562).

Almost surely, 2^{2211221200210} is an apocalyptic number.

2211221200210 is a deficient number, since it is larger than the sum of its proper divisors (2173803617774).

2211221200210 is a wasteful number, since it uses less digits than its factorization.

2211221200210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199029930.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2211221200210 its reverse (120021221122), we get a palindrome (2331242421332).

The spelling of 2211221200210 in words is "two trillion, two hundred eleven billion, two hundred twenty-one million, two hundred thousand, two hundred ten".