111100121310222 has 64 divisors (see below), whose sum is σ = 273748932875520. Its totient is φ = 33114790245600.

The previous prime is 111100121310221. The next prime is 111100121310223. The reversal of 111100121310222 is 222013121001111.

It is a happy number.

111100121310222 is a `hidden beast` number, since 1 + 1 + 1 + 10 + 0 + 121 + 310 + 222 = 666.

It is an interprime number because it is at equal distance from previous prime (111100121310221) and next prime (111100121310223).

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

It is a junction number, because it is equal to n+sod(n) for n = 111100121310195 and 111100121310204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111100121310221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1533055908 + ... + 1533128375.

It is an arithmetic number, because the mean of its divisors is an integer number (4277327076180).

Almost surely, 2^{111100121310222} is an apocalyptic number.

111100121310222 is an abundant number, since it is smaller than the sum of its proper divisors (162648811565298).

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

111100121310222 is a wasteful number, since it uses less digits than its factorization.

111100121310222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3066184366 (or 3066184360 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 111100121310222 its reverse (222013121001111), we get a palindrome (333113242311333).

The spelling of 111100121310222 in words is "one hundred eleven trillion, one hundred billion, one hundred twenty-one million, three hundred ten thousand, two hundred twenty-two".