22110212101 has 4 divisors (see below), whose sum is σ = 22111226892. Its totient is φ = 22109197312.

The previous prime is 22110212071. The next prime is 22110212123. The reversal of 22110212101 is 10121201122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11962671876 + 10147540225 = 109374^2 + 100735^2 .

It is a cyclic number.

It is not a de Polignac number, because 22110212101 - 2¹³ = 22110203909 is a prime.

It is a super-2 number, since 2×22110212101² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22110272101) 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, 473980 + ... + 518533.

It is an arithmetic number, because the mean of its divisors is an integer number (5527806723).

Almost surely, 2^22110212101 is an apocalyptic number.

It is an amenable number.

22110212101 is a deficient number, since it is larger than the sum of its proper divisors (1014791).

22110212101 is an equidigital number, since it uses as much as digits as its factorization.

22110212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014790.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 22110212101 its reverse (10121201122), we get a palindrome (32231413223).

It can be divided in two parts, 2211021 and 2101, that added together give a palindrome (2213122).

The spelling of 22110212101 in words is "twenty-two billion, one hundred ten million, two hundred twelve thousand, one hundred one".