220222101111212 has 24 divisors (see below), whose sum is σ = 408059105580000. Its totient is φ = 103633801309440.

The previous prime is 220222101111209. The next prime is 220222101111239. The reversal of 220222101111212 is 212111101222022.

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, 74367662 + ... + 77272202.

It is an arithmetic number, because the mean of its divisors is an integer number (17002462732500).

Almost surely, 2^{220222101111212} is an apocalyptic number.

It is an amenable number.

220222101111212 is a deficient number, since it is larger than the sum of its proper divisors (187837004468788).

220222101111212 is a wasteful number, since it uses less digits than its factorization.

220222101111212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4019561 (or 4019559 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 220222101111212 its reverse (212111101222022), we get a palindrome (432333202333234).

The spelling of 220222101111212 in words is "two hundred twenty trillion, two hundred twenty-two billion, one hundred one million, one hundred eleven thousand, two hundred twelve".