111002201212 has 24 divisors (see below), whose sum is σ = 222076959104. Its totient is φ = 47556824112.

The previous prime is 111002201207. The next prime is 111002201257. The reversal of 111002201212 is 212102200111.

It is a junction number, because it is equal to n+sod(n) for n = 111002201192 and 111002201201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560418 + ... + 732169.

Almost surely, 2^111002201212 is an apocalyptic number.

It is an amenable number.

111002201212 is an abundant number, since it is smaller than the sum of its proper divisors (111074757892).

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

111002201212 is a wasteful number, since it uses less digits than its factorization.

111002201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295665 (or 1295663 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 111002201212 its reverse (212102200111), we get a palindrome (323104401323).

The spelling of 111002201212 in words is "one hundred eleven billion, two million, two hundred one thousand, two hundred twelve".