22021123312199 has 32 divisors (see below), whose sum is σ = 25676944842240. Its totient is φ = 18697087427200.

The previous prime is 22021123312117. The next prime is 22021123312289. The reversal of 22021123312199 is 99121332112022.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22021123312199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22021123311199) 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, 7972037 + ... + 10372830.

It is an arithmetic number, because the mean of its divisors is an integer number (802404526320).

Almost surely, 2^{22021123312199} is an apocalyptic number.

22021123312199 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

22021123312199 is a deficient number, since it is larger than the sum of its proper divisors (3655821530041).

22021123312199 is a wasteful number, since it uses less digits than its factorization.

22021123312199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18345031.

The product of its (nonzero) digits is 23328, while the sum is 38.

It can be divided in two parts, 22021123 and 312199, that added together give a palindrome (22333322).

The spelling of 22021123312199 in words is "twenty-two trillion, twenty-one billion, one hundred twenty-three million, three hundred twelve thousand, one hundred ninety-nine".