11144232220212 has 144 divisors (see below), whose sum is σ = 35258588426880. Its totient is φ = 2889322216704.

The previous prime is 11144232220201. The next prime is 11144232220223. The reversal of 11144232220212 is 21202223244111.

11144232220212 is a `hidden beast` number, since 1 + 1 + 1 + 4 + 423 + 2 + 2 + 20 + 212 = 666.

It is an interprime number because it is at equal distance from previous prime (11144232220201) and next prime (11144232220223).

It is a super-2 number, since 2×11144232220212² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28635363 + ... + 29021930.

It is an arithmetic number, because the mean of its divisors is an integer number (244851308520).

Almost surely, 2^{11144232220212} is an apocalyptic number.

11144232220212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11144232220212 is an abundant number, since it is smaller than the sum of its proper divisors (24114356206668).

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

11144232220212 is a wasteful number, since it uses less digits than its factorization.

11144232220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57657382 (or 57657377 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

Adding to 11144232220212 its reverse (21202223244111), we get a palindrome (32346455464323).

The spelling of 11144232220212 in words is "eleven trillion, one hundred forty-four billion, two hundred thirty-two million, two hundred twenty thousand, two hundred twelve".