212010110121 has 8 divisors (see below), whose sum is σ = 288013734720. Its totient is φ = 138673279472.

The previous prime is 212010110083. The next prime is 212010110153. The reversal of 212010110121 is 121011010212.

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 212010110121 - 2⁶ = 212010110057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212010110097 and 212010110106.

It is not an unprimeable number, because it can be changed into a prime (212010100121) 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, 666698301 + ... + 666698618.

It is an arithmetic number, because the mean of its divisors is an integer number (36001716840).

Almost surely, 2^212010110121 is an apocalyptic number.

It is an amenable number.

212010110121 is a deficient number, since it is larger than the sum of its proper divisors (76003624599).

212010110121 is a wasteful number, since it uses less digits than its factorization.

212010110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333396975.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 212010110121 its reverse (121011010212), we get a palindrome (333021120333).

Subtracting from 212010110121 its reverse (121011010212), we obtain a palindrome (90999099909).

The spelling of 212010110121 in words is "two hundred twelve billion, ten million, one hundred ten thousand, one hundred twenty-one".