112100031101221 has 16 divisors (see below), whose sum is σ = 113014792041984. Its totient is φ = 111188989139904.

The previous prime is 112100031101207. The next prime is 112100031101237. The reversal of 112100031101221 is 122101130001211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 112100031101221 - 2⁴¹ = 109901007845669 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112100031101195 and 112100031101204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112100031101281) 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, 1930500030 + ... + 1930558096.

It is an arithmetic number, because the mean of its divisors is an integer number (7063424502624).

Almost surely, 2^{112100031101221} is an apocalyptic number.

It is an amenable number.

112100031101221 is a deficient number, since it is larger than the sum of its proper divisors (914760940763).

112100031101221 is a wasteful number, since it uses less digits than its factorization.

112100031101221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89820.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 112100031101221 its reverse (122101130001211), we get a palindrome (234201161102432).

The spelling of 112100031101221 in words is "one hundred twelve trillion, one hundred billion, thirty-one million, one hundred one thousand, two hundred twenty-one".