112211121021 has 8 divisors (see below), whose sum is σ = 149624307840. Its totient is φ = 74802674112.

The previous prime is 112211121019. The next prime is 112211121031. The reversal of 112211121021 is 120121112211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 112211121021 - 2¹ = 112211121019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112211121031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1129365 + ... + 1224698.

It is an arithmetic number, because the mean of its divisors is an integer number (18703038480).

Almost surely, 2^112211121021 is an apocalyptic number.

It is an amenable number.

112211121021 is a deficient number, since it is larger than the sum of its proper divisors (37413186819).

112211121021 is a wasteful number, since it uses less digits than its factorization.

112211121021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2369955.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 112211121021 its reverse (120121112211), we get a palindrome (232332233232).

The spelling of 112211121021 in words is "one hundred twelve billion, two hundred eleven million, one hundred twenty-one thousand, twenty-one".