111000201212 has 36 divisors (see below), whose sum is σ = 201200587560. Its totient is φ = 53580811680.

The previous prime is 111000201197. The next prime is 111000201227. The reversal of 111000201212 is 212102000111.

It is an interprime number because it is at equal distance from previous prime (111000201197) and next prime (111000201227).

It is a junction number, because it is equal to n+sod(n) for n = 111000201193 and 111000201202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1576178 + ... + 1645094.

It is an arithmetic number, because the mean of its divisors is an integer number (5588905210).

Almost surely, 2^111000201212 is an apocalyptic number.

It is an amenable number.

111000201212 is a deficient number, since it is larger than the sum of its proper divisors (90200386348).

111000201212 is a wasteful number, since it uses less digits than its factorization.

111000201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69402 (or 69369 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 111000201212 its reverse (212102000111), we get a palindrome (323102201323).

The spelling of 111000201212 in words is "one hundred eleven billion, two hundred one thousand, two hundred twelve".