112101012222021 has 6 divisors (see below), whose sum is σ = 161923684320710. Its totient is φ = 74734008148008.

The previous prime is 112101012222007. The next prime is 112101012222029. The reversal of 112101012222021 is 120222210101211.

It can be written as a sum of positive squares in only one way, i.e., 93677911200225 + 18423101021796 = 9678735^2 + 4292214^2 .

It is not a de Polignac number, because 112101012222021 - 2⁹ = 112101012221509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112101012221985 and 112101012222003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112101012222029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6227834012326 + ... + 6227834012343.

Almost surely, 2^{112101012222021} is an apocalyptic number.

It is an amenable number.

112101012222021 is a deficient number, since it is larger than the sum of its proper divisors (49822672098689).

112101012222021 is a wasteful number, since it uses less digits than its factorization.

112101012222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12455668024675 (or 12455668024672 counting only the distinct ones).

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

Adding to 112101012222021 its reverse (120222210101211), we get a palindrome (232323222323232).

The spelling of 112101012222021 in words is "one hundred twelve trillion, one hundred one billion, twelve million, two hundred twenty-two thousand, twenty-one".