212202011121 has 8 divisors (see below), whose sum is σ = 283325200704. Its totient is φ = 141273414480.

The previous prime is 212202011117. The next prime is 212202011159. The reversal of 212202011121 is 121110202212.

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

It is not a de Polignac number, because 212202011121 - 2² = 212202011117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212202011121.

It is not an unprimeable number, because it can be changed into a prime (212202011321) 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, 48645690 + ... + 48650051.

It is an arithmetic number, because the mean of its divisors is an integer number (35415650088).

Almost surely, 2^212202011121 is an apocalyptic number.

It is an amenable number.

212202011121 is a deficient number, since it is larger than the sum of its proper divisors (71123189583).

212202011121 is an equidigital number, since it uses as much as digits as its factorization.

212202011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97296471.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 212202011121 its reverse (121110202212), we get a palindrome (333312213333).

The spelling of 212202011121 in words is "two hundred twelve billion, two hundred two million, eleven thousand, one hundred twenty-one".