110221012221012 has 288 divisors, whose sum is σ = 357685797740544. Its totient is φ = 28019706200640.

The previous prime is 110221012220993. The next prime is 110221012221071. The reversal of 110221012221012 is 210122210122011.

110221012221012 is a `hidden beast` number, since 110 + 2 + 210 + 122 + 210 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12268473 + ... + 19260255.

It is an arithmetic number, because the mean of its divisors is an integer number (1241964575488).

Almost surely, 2^{110221012221012} is an apocalyptic number.

110221012221012 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 110221012221012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178842898870272).

110221012221012 is an abundant number, since it is smaller than the sum of its proper divisors (247464785519532).

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

110221012221012 is a wasteful number, since it uses less digits than its factorization.

110221012221012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6991880 (or 6991853 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 110221012221012 its reverse (210122210122011), we get a palindrome (320343222343023).

The spelling of 110221012221012 in words is "one hundred ten trillion, two hundred twenty-one billion, twelve million, two hundred twenty-one thousand, twelve".