110021212021212 has 72 divisors (see below), whose sum is σ = 290216526765984. Its totient is φ = 35077335422976.

The previous prime is 110021212021159. The next prime is 110021212021219. The reversal of 110021212021212 is 212120212120011.

110021212021212 is a `hidden beast` number, since 1 + 100 + 212 + 120 + 21 + 212 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110021212021219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11821728 + ... + 18968280.

It is an arithmetic number, because the mean of its divisors is an integer number (4030785093972).

Almost surely, 2^{110021212021212} is an apocalyptic number.

110021212021212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

110021212021212 is an abundant number, since it is smaller than the sum of its proper divisors (180195314744772).

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

110021212021212 is a wasteful number, since it uses less digits than its factorization.

110021212021212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7165179 (or 7165174 counting only the distinct ones).

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

Adding to 110021212021212 its reverse (212120212120011), we get a palindrome (322141424141223).

The spelling of 110021212021212 in words is "one hundred ten trillion, twenty-one billion, two hundred twelve million, twenty-one thousand, two hundred twelve".