111012230021212 has 24 divisors (see below), whose sum is σ = 209412172634336. Its totient is φ = 51188214005568.

The previous prime is 111012230021201. The next prime is 111012230021213. The reversal of 111012230021212 is 212120032210111.

It is a self number, because there is not a number n which added to its sum of digits gives 111012230021212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111012230021213) 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, 1004107743 + ... + 1004218294.

Almost surely, 2^{111012230021212} is an apocalyptic number.

It is an amenable number.

111012230021212 is a deficient number, since it is larger than the sum of its proper divisors (98399942613124).

111012230021212 is a wasteful number, since it uses less digits than its factorization.

111012230021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2008327117 (or 2008327115 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 111012230021212 its reverse (212120032210111), we get a palindrome (323132262231323).

The spelling of 111012230021212 in words is "one hundred eleven trillion, twelve billion, two hundred thirty million, twenty-one thousand, two hundred twelve".