111122241212 has 24 divisors (see below), whose sum is σ = 196686579600. Its totient is φ = 54926315136.

The previous prime is 111122241211. The next prime is 111122241253. The reversal of 111122241212 is 212142221111.

It is a super-2 number, since 2×111122241212² (a number of 23 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111122241211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2030318 + ... + 2084330.

It is an arithmetic number, because the mean of its divisors is an integer number (8195274150).

Almost surely, 2^111122241212 is an apocalyptic number.

It is an amenable number.

111122241212 is a deficient number, since it is larger than the sum of its proper divisors (85564338388).

111122241212 is a wasteful number, since it uses less digits than its factorization.

111122241212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59885 (or 59883 counting only the distinct ones).

The product of its digits is 128, while the sum is 20.

Adding to 111122241212 its reverse (212142221111), we get a palindrome (323264462323).

The spelling of 111122241212 in words is "one hundred eleven billion, one hundred twenty-two million, two hundred forty-one thousand, two hundred twelve".