22011251211043 has 4 divisors (see below), whose sum is σ = 22011626331520. Its totient is φ = 22010876090568.

The previous prime is 22011251211041. The next prime is 22011251211049. The reversal of 22011251211043 is 34011215211022.

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 22011251211043 - 2¹ = 22011251211041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22011251210999 and 22011251211017.

It is not an unprimeable number, because it can be changed into a prime (22011251211041) 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, 187472208 + ... + 187589581.

It is an arithmetic number, because the mean of its divisors is an integer number (5502906582880).

Almost surely, 2^{22011251211043} is an apocalyptic number.

22011251211043 is a deficient number, since it is larger than the sum of its proper divisors (375120477).

22011251211043 is an equidigital number, since it uses as much as digits as its factorization.

22011251211043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375120476.

The product of its (nonzero) digits is 960, while the sum is 25.

Adding to 22011251211043 its reverse (34011215211022), we get a palindrome (56022466422065).

The spelling of 22011251211043 in words is "twenty-two trillion, eleven billion, two hundred fifty-one million, two hundred eleven thousand, forty-three".