212230011121 has 8 divisors (see below), whose sum is σ = 219361049600. Its totient is φ = 205116779520.

The previous prime is 212230011113. The next prime is 212230011131. The reversal of 212230011121 is 121110032212.

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

It is a cyclic number.

It is not a de Polignac number, because 212230011121 - 2³ = 212230011113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212230011095 and 212230011104.

It is not an unprimeable number, because it can be changed into a prime (212230011131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4427481 + ... + 4475158.

It is an arithmetic number, because the mean of its divisors is an integer number (27420131200).

Almost surely, 2^212230011121 is an apocalyptic number.

It is an amenable number.

212230011121 is a deficient number, since it is larger than the sum of its proper divisors (7131038479).

212230011121 is an equidigital number, since it uses as much as digits as its factorization.

212230011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8903439.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 212230011121 its reverse (121110032212), we get a palindrome (333340043333).

The spelling of 212230011121 in words is "two hundred twelve billion, two hundred thirty million, eleven thousand, one hundred twenty-one".