21322201213111 has 32 divisors (see below), whose sum is σ = 23654430978048. Its totient is φ = 19116954616320.

The previous prime is 21322201213099. The next prime is 21322201213123. The reversal of 21322201213111 is 11131210222312.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (21322201213099) and next prime (21322201213123).

It is not a de Polignac number, because 21322201213111 - 2¹¹ = 21322201211063 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 (21322201210111) 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, 230756026 + ... + 230848408.

It is an arithmetic number, because the mean of its divisors is an integer number (739200968064).

Almost surely, 2^{21322201213111} is an apocalyptic number.

21322201213111 is a deficient number, since it is larger than the sum of its proper divisors (2332229764937).

21322201213111 is a wasteful number, since it uses less digits than its factorization.

21322201213111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94831.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 21322201213111 its reverse (11131210222312), we get a palindrome (32453411435423).

The spelling of 21322201213111 in words is "twenty-one trillion, three hundred twenty-two billion, two hundred one million, two hundred thirteen thousand, one hundred eleven".