112111012212221 has 16 divisors (see below), whose sum is σ = 122960170704960. Its totient is φ = 101372688401280.

The previous prime is 112111012212217. The next prime is 112111012212257. The reversal of 112111012212221 is 122212210111211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 112111012212221 - 2² = 112111012212217 is a prime.

It is a super-3 number, since 3×112111012212221³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112111012212193 and 112111012212202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112111012212821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30598331 + ... + 34065816.

It is an arithmetic number, because the mean of its divisors is an integer number (7685010669060).

Almost surely, 2^{112111012212221} is an apocalyptic number.

112111012212221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112111012212221 is a deficient number, since it is larger than the sum of its proper divisors (10849158492739).

112111012212221 is a wasteful number, since it uses less digits than its factorization.

112111012212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64665004.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 112111012212221 its reverse (122212210111211), we get a palindrome (234323222323432).

It can be divided in two parts, 1121110 and 12212221, that added together give a palindrome (13333331).

The spelling of 112111012212221 in words is "one hundred twelve trillion, one hundred eleven billion, twelve million, two hundred twelve thousand, two hundred twenty-one".