11221222010412 has 48 divisors (see below), whose sum is σ = 27321689670912. Its totient is φ = 3577721547840.

The previous prime is 11221222010399. The next prime is 11221222010417. The reversal of 11221222010412 is 21401022212211.

11221222010412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11221222010417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18154087 + ... + 18762017.

It is an arithmetic number, because the mean of its divisors is an integer number (569201868144).

Almost surely, 2^{11221222010412} is an apocalyptic number.

11221222010412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11221222010412 is an abundant number, since it is smaller than the sum of its proper divisors (16100467660500).

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

11221222010412 is a wasteful number, since it uses less digits than its factorization.

11221222010412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674838 (or 674836 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 11221222010412 its reverse (21401022212211), we get a palindrome (32622244222623).

The spelling of 11221222010412 in words is "eleven trillion, two hundred twenty-one billion, two hundred twenty-two million, ten thousand, four hundred twelve".