212041121 has 8 divisors (see below), whose sum is σ = 223396800. Its totient is φ = 200705040.

The previous prime is 212041097. The next prime is 212041201. The reversal of 212041121 is 121140212.

It is a happy number.

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 212041121 - 2⁶ = 212041057 is a prime.

It is a super-2 number, since 2×212041121² = 89922873989873282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212041096 and 212041105.

It is not an unprimeable number, because it can be changed into a prime (212041021) 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, 20831 + ... + 29291.

It is an arithmetic number, because the mean of its divisors is an integer number (27924600).

Almost surely, 2^212041121 is an apocalyptic number.

It is an amenable number.

212041121 is a deficient number, since it is larger than the sum of its proper divisors (11355679).

212041121 is a wasteful number, since it uses less digits than its factorization.

212041121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9799.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 212041121 is about 14561.6318110300. The cubic root of 212041121 is about 596.3117457192.

Adding to 212041121 its reverse (121140212), we get a palindrome (333181333).

Subtracting from 212041121 its reverse (121140212), we obtain a palindrome (90900909).

The spelling of 212041121 in words is "two hundred twelve million, forty-one thousand, one hundred twenty-one".