111220020212 has 12 divisors (see below), whose sum is σ = 222440040480. Its totient is φ = 47665722936.

The previous prime is 111220020199. The next prime is 111220020217. The reversal of 111220020212 is 212020022111.

111220020212 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111220020217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1986071762 + ... + 1986071817.

It is an arithmetic number, because the mean of its divisors is an integer number (18536670040).

Almost surely, 2^111220020212 is an apocalyptic number.

It is an amenable number.

111220020212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

111220020212 is a wasteful number, since it uses less digits than its factorization.

111220020212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3972143590 (or 3972143588 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 111220020212 its reverse (212020022111), we get a palindrome (323240042323).

The spelling of 111220020212 in words is "one hundred eleven billion, two hundred twenty million, twenty thousand, two hundred twelve".