112101112122021 has 24 divisors (see below), whose sum is σ = 179977085679456. Its totient is φ = 66658179875040.

The previous prime is 112101112122011. The next prime is 112101112122029. The reversal of 112101112122021 is 120221211101211.

It is a happy number.

It is not a de Polignac number, because 112101112122021 - 2⁷ = 112101112121893 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 112101112121985 and 112101112122003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112101112122029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10682395375 + ... + 10682405868.

It is an arithmetic number, because the mean of its divisors is an integer number (7499045236644).

Almost surely, 2^{112101112122021} is an apocalyptic number.

112101112122021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112101112122021 is a deficient number, since it is larger than the sum of its proper divisors (67875973557435).

112101112122021 is a wasteful number, since it uses less digits than its factorization.

112101112122021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21364801313 (or 21364801310 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 112101112122021 its reverse (120221211101211), we get a palindrome (232322323223232).

The spelling of 112101112122021 in words is "one hundred twelve trillion, one hundred one billion, one hundred twelve million, one hundred twenty-two thousand, twenty-one".