111122001212136 has 32 divisors (see below), whose sum is σ = 278484232891200. Its totient is φ = 36950103089280.

The previous prime is 111122001212071. The next prime is 111122001212137. The reversal of 111122001212136 is 631212100221111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (111122001212137) 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, 5660238820 + ... + 5660258451.

It is an arithmetic number, because the mean of its divisors is an integer number (8702632277850).

Almost surely, 2^{111122001212136} is an apocalyptic number.

It is an amenable number.

111122001212136 is an abundant number, since it is smaller than the sum of its proper divisors (167362231679064).

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

111122001212136 is a wasteful number, since it uses less digits than its factorization.

111122001212136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11320497689 (or 11320497685 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 24.

Adding to 111122001212136 its reverse (631212100221111), we get a palindrome (742334101433247).

The spelling of 111122001212136 in words is "one hundred eleven trillion, one hundred twenty-two billion, one million, two hundred twelve thousand, one hundred thirty-six".