2221122001210 has 16 divisors (see below), whose sum is σ = 4569165259776. Its totient is φ = 761527543248.

The previous prime is 2221122001123. The next prime is 2221122001213. The reversal of 2221122001210 is 121002211222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2221122001213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15865157082 + ... + 15865157221.

It is an arithmetic number, because the mean of its divisors is an integer number (285572828736).

Almost surely, 2^{2221122001210} is an apocalyptic number.

2221122001210 is an abundant number, since it is smaller than the sum of its proper divisors (2348043258566).

2221122001210 is a wasteful number, since it uses less digits than its factorization.

2221122001210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31730314317.

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

Adding to 2221122001210 its reverse (121002211222), we get a palindrome (2342124212432).

The spelling of 2221122001210 in words is "two trillion, two hundred twenty-one billion, one hundred twenty-two million, one thousand, two hundred ten".