211020201201 has 16 divisors (see below), whose sum is σ = 296220680000. Its totient is φ = 133252527168.

The previous prime is 211020201193. The next prime is 211020201253. The reversal of 211020201201 is 102102020112.

It is not a de Polignac number, because 211020201201 - 2³ = 211020201193 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (211020201101) 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, 5715 + ... + 649671.

It is an arithmetic number, because the mean of its divisors is an integer number (18513792500).

Almost surely, 2^211020201201 is an apocalyptic number.

It is an amenable number.

211020201201 is a deficient number, since it is larger than the sum of its proper divisors (85200478799).

211020201201 is a wasteful number, since it uses less digits than its factorization.

211020201201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649728.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 211020201201 its reverse (102102020112), we get a palindrome (313122221313).

The spelling of 211020201201 in words is "two hundred eleven billion, twenty million, two hundred one thousand, two hundred one".