20222111101210 has 16 divisors (see below), whose sum is σ = 38540964687336. Its totient is φ = 7613030061568.

The previous prime is 20222111101207. The next prime is 20222111101211. The reversal of 20222111101210 is 1210111122202.

It can be written as a sum of positive squares in 4 ways, for example, as 15332542031041 + 4889569070169 = 3915679^2 + 2211237^2 .

It is not an unprimeable number, because it can be changed into a prime (20222111101211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59476797187 + ... + 59476797526.

Almost surely, 2^{20222111101210} is an apocalyptic number.

20222111101210 is a deficient number, since it is larger than the sum of its proper divisors (18318853586126).

20222111101210 is a wasteful number, since it uses less digits than its factorization.

20222111101210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118953594737.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20222111101210 its reverse (1210111122202), we get a palindrome (21432222223412).

The spelling of 20222111101210 in words is "twenty trillion, two hundred twenty-two billion, one hundred eleven million, one hundred one thousand, two hundred ten".