22521112243411 has 16 divisors (see below), whose sum is σ = 24222147092640. Its totient is φ = 20897538520320.

The previous prime is 22521112243391. The next prime is 22521112243423. The reversal of 22521112243411 is 11434221112522.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22521112243411 - 2²¹ = 22521110146259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22521112243211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141272736 + ... + 141432061.

It is an arithmetic number, because the mean of its divisors is an integer number (1513884193290).

Almost surely, 2^{22521112243411} is an apocalyptic number.

22521112243411 is a deficient number, since it is larger than the sum of its proper divisors (1701034849229).

22521112243411 is a wasteful number, since it uses less digits than its factorization.

22521112243411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282704934.

The product of its digits is 7680, while the sum is 31.

Adding to 22521112243411 its reverse (11434221112522), we get a palindrome (33955333355933).

The spelling of 22521112243411 in words is "twenty-two trillion, five hundred twenty-one billion, one hundred twelve million, two hundred forty-three thousand, four hundred eleven".