1222221200210 has 32 divisors (see below), whose sum is σ = 2315940845760. Its totient is φ = 463126845888.

The previous prime is 1222221200201. The next prime is 1222221200227. The reversal of 1222221200210 is 120021222221.

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, 2774684 + ... + 3184856.

It is an arithmetic number, because the mean of its divisors is an integer number (72373151430).

Almost surely, 2^{1222221200210} is an apocalyptic number.

1222221200210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222221200210 is a deficient number, since it is larger than the sum of its proper divisors (1093719645550).

1222221200210 is a wasteful number, since it uses less digits than its factorization.

1222221200210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425882.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1222221200210 its reverse (120021222221), we get a palindrome (1342242422431).

The spelling of 1222221200210 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-one million, two hundred thousand, two hundred ten".