111121202212 has 24 divisors (see below), whose sum is σ = 195985944000. Its totient is φ = 55125389280.

The previous prime is 111121202201. The next prime is 111121202267. The reversal of 111121202212 is 212202121111.

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, 2994033 + ... + 3030919.

It is an arithmetic number, because the mean of its divisors is an integer number (8166081000).

Almost surely, 2^111121202212 is an apocalyptic number.

It is an amenable number.

111121202212 is a deficient number, since it is larger than the sum of its proper divisors (84864741788).

111121202212 is a wasteful number, since it uses less digits than its factorization.

111121202212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42771 (or 42769 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111121202212 its reverse (212202121111), we get a palindrome (323323323323).

The spelling of 111121202212 in words is "one hundred eleven billion, one hundred twenty-one million, two hundred two thousand, two hundred twelve".