211002021211201 has 4 divisors (see below), whose sum is σ = 230184023139504. Its totient is φ = 191820019282900.

The previous prime is 211002021211181. The next prime is 211002021211211. The reversal of 211002021211201 is 102112120200112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211002021211201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211002021211211) 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, 9591000964135 + ... + 9591000964156.

It is an arithmetic number, because the mean of its divisors is an integer number (57546005784876).

Almost surely, 2^{211002021211201} is an apocalyptic number.

It is an amenable number.

211002021211201 is a deficient number, since it is larger than the sum of its proper divisors (19182001928303).

211002021211201 is a wasteful number, since it uses less digits than its factorization.

211002021211201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19182001928302.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 211002021211201 its reverse (102112120200112), we get a palindrome (313114141411313).

The spelling of 211002021211201 in words is "two hundred eleven trillion, two billion, twenty-one million, two hundred eleven thousand, two hundred one".