213001222311 has 24 divisors (see below), whose sum is σ = 313653549456. Its totient is φ = 139241531520.

The previous prime is 213001222279. The next prime is 213001222351. The reversal of 213001222311 is 113222100312.

213001222311 is a `hidden beast` number, since 2 + 130 + 0 + 1 + 222 + 311 = 666.

It is not a de Polignac number, because 213001222311 - 2⁵ = 213001222279 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213001222351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 708816 + ... + 963546.

It is an arithmetic number, because the mean of its divisors is an integer number (13068897894).

Almost surely, 2^213001222311 is an apocalyptic number.

213001222311 is a deficient number, since it is larger than the sum of its proper divisors (100652327145).

213001222311 is a wasteful number, since it uses less digits than its factorization.

213001222311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256543 (or 256540 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 213001222311 its reverse (113222100312), we get a palindrome (326223322623).

The spelling of 213001222311 in words is "two hundred thirteen billion, one million, two hundred twenty-two thousand, three hundred eleven".