112012212101 has 12 divisors (see below), whose sum is σ = 119052855012. Its totient is φ = 105366463488.

The previous prime is 112012212089. The next prime is 112012212107. The reversal of 112012212101 is 101212210211.

It can be written as a sum of positive squares in 6 ways, for example, as 4280561476 + 107731650625 = 65426^2 + 328225^2 .

It is a de Polignac number, because none of the positive numbers 2^k-112012212101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112012212107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 437831 + ... + 644763.

It is an arithmetic number, because the mean of its divisors is an integer number (9921071251).

Almost surely, 2^112012212101 is an apocalyptic number.

It is an amenable number.

112012212101 is a deficient number, since it is larger than the sum of its proper divisors (7040642911).

112012212101 is a wasteful number, since it uses less digits than its factorization.

112012212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208840 (or 208823 counting only the distinct ones).

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

Adding to 112012212101 its reverse (101212210211), we get a palindrome (213224422312).

The spelling of 112012212101 in words is "one hundred twelve billion, twelve million, two hundred twelve thousand, one hundred one".