110201221212 has 96 divisors (see below), whose sum is σ = 272078521344. Its totient is φ = 34647360000.

The previous prime is 110201221157. The next prime is 110201221259. The reversal of 110201221212 is 212122102011.

It is a junction number, because it is equal to n+sod(n) for n = 110201221191 and 110201221200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5699962 + ... + 5719262.

It is an arithmetic number, because the mean of its divisors is an integer number (2834151264).

Almost surely, 2^110201221212 is an apocalyptic number.

110201221212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 110201221212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136039260672).

110201221212 is an abundant number, since it is smaller than the sum of its proper divisors (161877300132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

110201221212 is a wasteful number, since it uses less digits than its factorization.

110201221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19619 (or 19617 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 110201221212 its reverse (212122102011), we get a palindrome (322323323223).

The spelling of 110201221212 in words is "one hundred ten billion, two hundred one million, two hundred twenty-one thousand, two hundred twelve".