211222201101 has 8 divisors (see below), whose sum is σ = 281633823744. Its totient is φ = 140812689600.

The previous prime is 211222201087. The next prime is 211222201153. The reversal of 211222201101 is 101102222112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 211222201101 - 2⁶ = 211222201037 is a prime.

It is a super-2 number, since 2×211222201101² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211222201181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277356 + ... + 706661.

It is an arithmetic number, because the mean of its divisors is an integer number (35204227968).

Almost surely, 2^211222201101 is an apocalyptic number.

It is an amenable number.

211222201101 is a deficient number, since it is larger than the sum of its proper divisors (70411622643).

211222201101 is an equidigital number, since it uses as much as digits as its factorization.

211222201101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055571.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 211222201101 its reverse (101102222112), we get a palindrome (312324423213).

The spelling of 211222201101 in words is "two hundred eleven billion, two hundred twenty-two million, two hundred one thousand, one hundred one".