20102212211222 has 16 divisors (see below), whose sum is σ = 30222272497680. Its totient is φ = 10028147455872.

The previous prime is 20102212211203. The next prime is 20102212211239. The reversal of 20102212211222 is 22211221220102.

It is a junction number, because it is equal to n+sod(n) for n = 20102212211194 and 20102212211203.

It is a congruent number.

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, 4976468 + ... + 8060375.

It is an arithmetic number, because the mean of its divisors is an integer number (1888892031105).

Almost surely, 2^{20102212211222} is an apocalyptic number.

20102212211222 is a deficient number, since it is larger than the sum of its proper divisors (10120060286458).

20102212211222 is a wasteful number, since it uses less digits than its factorization.

20102212211222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13038607.

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

Adding to 20102212211222 its reverse (22211221220102), we get a palindrome (42313433431324).

The spelling of 20102212211222 in words is "twenty trillion, one hundred two billion, two hundred twelve million, two hundred eleven thousand, two hundred twenty-two".