111211200212 has 24 divisors (see below), whose sum is σ = 222924507456. Its totient is φ = 47554348608.

The previous prime is 111211200193. The next prime is 111211200251. The reversal of 111211200212 is 212002112111.

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

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, 4470473 + ... + 4495280.

It is an arithmetic number, because the mean of its divisors is an integer number (9288521144).

Almost surely, 2^111211200212 is an apocalyptic number.

It is an amenable number.

111211200212 is an abundant number, since it is smaller than the sum of its proper divisors (111713307244).

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

111211200212 is a wasteful number, since it uses less digits than its factorization.

111211200212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8966207 (or 8966205 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 111211200212 its reverse (212002112111), we get a palindrome (323213312323).

The spelling of 111211200212 in words is "one hundred eleven billion, two hundred eleven million, two hundred thousand, two hundred twelve".