111401212 has 24 divisors (see below), whose sum is σ = 212831696. Its totient is φ = 50709888.

The previous prime is 111401203. The next prime is 111401243. The reversal of 111401212 is 212104111.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 111401192 and 111401201.

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, 10878 + ... + 18469.

Almost surely, 2^111401212 is an apocalyptic number.

It is an amenable number.

111401212 is a deficient number, since it is larger than the sum of its proper divisors (101430484).

111401212 is a wasteful number, since it uses less digits than its factorization.

111401212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29437 (or 29435 counting only the distinct ones).

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

The square root of 111401212 is about 10554.6772570269. The cubic root of 111401212 is about 481.1678910459.

Adding to 111401212 its reverse (212104111), we get a palindrome (323505323).

The spelling of 111401212 in words is "one hundred eleven million, four hundred one thousand, two hundred twelve".