220110111212 has 6 divisors (see below), whose sum is σ = 385192694628. Its totient is φ = 110055055604.

The previous prime is 220110111211. The next prime is 220110111227. The reversal of 220110111212 is 212111011022.

It is a super-2 number, since 2×220110111212² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220110111211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27513763898 + ... + 27513763905.

It is an arithmetic number, because the mean of its divisors is an integer number (64198782438).

Almost surely, 2^220110111212 is an apocalyptic number.

It is an amenable number.

220110111212 is a deficient number, since it is larger than the sum of its proper divisors (165082583416).

220110111212 is a wasteful number, since it uses less digits than its factorization.

220110111212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55027527807 (or 55027527805 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 220110111212 its reverse (212111011022), we get a palindrome (432221122234).

The spelling of 220110111212 in words is "two hundred twenty billion, one hundred ten million, one hundred eleven thousand, two hundred twelve".