112140211221 has 48 divisors (see below), whose sum is σ = 175581123120. Its totient is φ = 68710809600.

The previous prime is 112140211219. The next prime is 112140211243. The reversal of 112140211221 is 122112041211.

112140211221 is a `hidden beast` number, since 11 + 21 + 402 + 11 + 221 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 31103202321 + 81037008900 = 176361^2 + 284670^2 .

It is not a de Polignac number, because 112140211221 - 2¹ = 112140211219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112140211194 and 112140211203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112140211291) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1078365 + ... + 1177773.

It is an arithmetic number, because the mean of its divisors is an integer number (3657940065).

Almost surely, 2^112140211221 is an apocalyptic number.

It is an amenable number.

112140211221 is a deficient number, since it is larger than the sum of its proper divisors (63440911899).

112140211221 is a wasteful number, since it uses less digits than its factorization.

112140211221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99606 (or 99603 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 112140211221 its reverse (122112041211), we get a palindrome (234252252432).

The spelling of 112140211221 in words is "one hundred twelve billion, one hundred forty million, two hundred eleven thousand, two hundred twenty-one".