112102212111021 has 36 divisors (see below), whose sum is σ = 179617018761180. Its totient is φ = 67317425049600.

The previous prime is 112102212110963. The next prime is 112102212111067. The reversal of 112102212111021 is 120111212201211.

It is a happy number.

112102212111021 is a `hidden beast` number, since 1 + 1 + 210 + 221 + 211 + 1 + 0 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 45511079516100 + 66591132594921 = 6746190^2 + 8160339^2 .

It is not a de Polignac number, because 112102212111021 - 2¹⁰ = 112102212109997 is a prime.

It is a super-3 number, since 3×112102212111021³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112102212110985 and 112102212111003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112102212111091) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 472085460 + ... + 472322861.

It is an arithmetic number, because the mean of its divisors is an integer number (4989361632255).

Almost surely, 2^{112102212111021} is an apocalyptic number.

112102212111021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

112102212111021 is a deficient number, since it is larger than the sum of its proper divisors (67514806650159).

112102212111021 is a wasteful number, since it uses less digits than its factorization.

112102212111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944408458 (or 944408444 counting only the distinct ones).

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

Adding to 112102212111021 its reverse (120111212201211), we get a palindrome (232213424312232).

The spelling of 112102212111021 in words is "one hundred twelve trillion, one hundred two billion, two hundred twelve million, one hundred eleven thousand, twenty-one".