211402162211 has 4 divisors (see below), whose sum is σ = 220593560592. Its totient is φ = 202210763832.

The previous prime is 211402162193. The next prime is 211402162247. The reversal of 211402162211 is 112261204112.

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 211402162211 - 2³⁰ = 210328420387 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 9191398357 = 211402162211 / (2 + 1 + 1 + 4 + 0 + 2 + 1 + 6 + 2 + 2 + 1 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211402162291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4595699156 + ... + 4595699201.

It is an arithmetic number, because the mean of its divisors is an integer number (55148390148).

Almost surely, 2^211402162211 is an apocalyptic number.

211402162211 is a deficient number, since it is larger than the sum of its proper divisors (9191398381).

211402162211 is an equidigital number, since it uses as much as digits as its factorization.

211402162211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9191398380.

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 211402162211 its reverse (112261204112), we get a palindrome (323663366323).

The spelling of 211402162211 in words is "two hundred eleven billion, four hundred two million, one hundred sixty-two thousand, two hundred eleven".