1110021322212 has 144 divisors (see below), whose sum is σ = 3166319083200. Its totient is φ = 324923892480.

The previous prime is 1110021322187. The next prime is 1110021322213. The reversal of 1110021322212 is 2122231200111.

1110021322212 is a `hidden beast` number, since 1 + 110 + 0 + 21 + 322 + 212 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (1110021322213) 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 47 ways as a sum of consecutive naturals, for example, 1764114 + ... + 2309142.

Almost surely, 2^{1110021322212} is an apocalyptic number.

1110021322212 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 1110021322212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1583159541600).

1110021322212 is an abundant number, since it is smaller than the sum of its proper divisors (2056297760988).

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

1110021322212 is a wasteful number, since it uses less digits than its factorization.

1110021322212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545226 (or 545221 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1110021322212 its reverse (2122231200111), we get a palindrome (3232252522323).

It can be divided in two parts, 11100 and 21322212, that added together give a palindrome (21333312).

The spelling of 1110021322212 in words is "one trillion, one hundred ten billion, twenty-one million, three hundred twenty-two thousand, two hundred twelve".