20222112221210 has 16 divisors (see below), whose sum is σ = 36400331682792. Its totient is φ = 8088727180800.

The previous prime is 20222112221197. The next prime is 20222112221263. The reversal of 20222112221210 is 1212221122202.

It can be written as a sum of positive squares in 4 ways, for example, as 7531012344361 + 12691099876849 = 2744269^2 + 3562457^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13990211 + ... + 15367830.

Almost surely, 2^{20222112221210} is an apocalyptic number.

20222112221210 is a deficient number, since it is larger than the sum of its proper divisors (16178219461582).

20222112221210 is a wasteful number, since it uses less digits than its factorization.

20222112221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29426929.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 20222112221210 its reverse (1212221122202), we get a palindrome (21434333343412).

The spelling of 20222112221210 in words is "twenty trillion, two hundred twenty-two billion, one hundred twelve million, two hundred twenty-one thousand, two hundred ten".