112211212101 has 4 divisors (see below), whose sum is σ = 149614949472. Its totient is φ = 74807474732.

The previous prime is 112211212081. The next prime is 112211212103. The reversal of 112211212101 is 101212112211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 112211212101 - 2¹¹ = 112211210053 is a prime.

It is a super-2 number, since 2×112211212101² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112211212103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18701868681 + ... + 18701868686.

It is an arithmetic number, because the mean of its divisors is an integer number (37403737368).

Almost surely, 2^112211212101 is an apocalyptic number.

It is an amenable number.

112211212101 is a deficient number, since it is larger than the sum of its proper divisors (37403737371).

112211212101 is an equidigital number, since it uses as much as digits as its factorization.

112211212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37403737370.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 112211212101 its reverse (101212112211), we get a palindrome (213423324312).

The spelling of 112211212101 in words is "one hundred twelve billion, two hundred eleven million, two hundred twelve thousand, one hundred one".