201210021200011 has 4 divisors (see below), whose sum is σ = 201266178061312. Its totient is φ = 201153864338712.

The previous prime is 201210021199963. The next prime is 201210021200093. The reversal of 201210021200011 is 110002120012102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201210021200011 - 2¹⁷ = 201210021068939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201210021199964 and 201210021200000.

It is not an unprimeable number, because it can be changed into a prime (201210021200911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28078425276 + ... + 28078432441.

It is an arithmetic number, because the mean of its divisors is an integer number (50316544515328).

Almost surely, 2^{201210021200011} is an apocalyptic number.

201210021200011 is a deficient number, since it is larger than the sum of its proper divisors (56156861301).

201210021200011 is an equidigital number, since it uses as much as digits as its factorization.

201210021200011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56156861300.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 201210021200011 its reverse (110002120012102), we get a palindrome (311212141212113).

The spelling of 201210021200011 in words is "two hundred one trillion, two hundred ten billion, twenty-one million, two hundred thousand, eleven".