22101101211 has 32 divisors (see below), whose sum is σ = 33935311360. Its totient is φ = 12533025024.

The previous prime is 22101101161. The next prime is 22101101233. The reversal of 22101101211 is 11210110122.

It is not a de Polignac number, because 22101101211 - 2⁶ = 22101101147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22101101411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1497876 + ... + 1512558.

It is an arithmetic number, because the mean of its divisors is an integer number (1060478480).

Almost surely, 2^22101101211 is an apocalyptic number.

22101101211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22101101211 is a deficient number, since it is larger than the sum of its proper divisors (11834210149).

22101101211 is a wasteful number, since it uses less digits than its factorization.

22101101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15235.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 22101101211 its reverse (11210110122), we get a palindrome (33311211333).

It can be divided in two parts, 2210110121 and 1, that added together give a palindrome (2210110122).

The spelling of 22101101211 in words is "twenty-two billion, one hundred one million, one hundred one thousand, two hundred eleven".