212011010200121 has 16 divisors (see below), whose sum is σ = 243463469506560. Its totient is φ = 182588826923280.

The previous prime is 212011010200097. The next prime is 212011010200139. The reversal of 212011010200121 is 121002010110212.

It is not a de Polignac number, because 212011010200121 - 2¹⁰ = 212011010199097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212011010200096 and 212011010200105.

It is not an unprimeable number, because it can be changed into a prime (212011010209121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3454361 + ... + 20879526.

It is an arithmetic number, because the mean of its divisors is an integer number (15216466844160).

Almost surely, 2^{212011010200121} is an apocalyptic number.

It is an amenable number.

212011010200121 is a deficient number, since it is larger than the sum of its proper divisors (31452459306439).

212011010200121 is a wasteful number, since it uses less digits than its factorization.

212011010200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24375604.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 212011010200121 its reverse (121002010110212), we get a palindrome (333013020310333).

The spelling of 212011010200121 in words is "two hundred twelve trillion, eleven billion, ten million, two hundred thousand, one hundred twenty-one".