22120152211 has 4 divisors (see below), whose sum is σ = 22120902832. Its totient is φ = 22119401592.

The previous prime is 22120152199. The next prime is 22120152221. The reversal of 22120152211 is 11225102122.

It is a happy number.

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 22120152211 - 2¹³ = 22120144019 is a prime.

It is a super-2 number, since 2×22120152211² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22120152221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329220 + ... + 390673.

It is an arithmetic number, because the mean of its divisors is an integer number (5530225708).

Almost surely, 2^22120152211 is an apocalyptic number.

22120152211 is a deficient number, since it is larger than the sum of its proper divisors (750621).

22120152211 is an equidigital number, since it uses as much as digits as its factorization.

22120152211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750620.

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 22120152211 its reverse (11225102122), we get a palindrome (33345254333).

The spelling of 22120152211 in words is "twenty-two billion, one hundred twenty million, one hundred fifty-two thousand, two hundred eleven".