211213322201 has 4 divisors (see below), whose sum is σ = 241386653952. Its totient is φ = 181039990452.

The previous prime is 211213322167. The next prime is 211213322227. The reversal of 211213322201 is 102223312112.

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 not a de Polignac number, because 211213322201 - 2²⁶ = 211146213337 is a prime.

It is a super-2 number, since 2×211213322201² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211213322251) 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, 15086665865 + ... + 15086665878.

It is an arithmetic number, because the mean of its divisors is an integer number (60346663488).

Almost surely, 2^211213322201 is an apocalyptic number.

It is an amenable number.

211213322201 is a deficient number, since it is larger than the sum of its proper divisors (30173331751).

211213322201 is an equidigital number, since it uses as much as digits as its factorization.

211213322201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30173331750.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 211213322201 its reverse (102223312112), we get a palindrome (313436634313).

The spelling of 211213322201 in words is "two hundred eleven billion, two hundred thirteen million, three hundred twenty-two thousand, two hundred one".