21122302001311 has 32 divisors (see below), whose sum is σ = 24640668631040. Its totient is φ = 17732854129536.

The previous prime is 21122302001309. The next prime is 21122302001371. The reversal of 21122302001311 is 11310020322112.

It is not a de Polignac number, because 21122302001311 - 2¹ = 21122302001309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21122302001371) 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, 1157187061 + ... + 1157205313.

It is an arithmetic number, because the mean of its divisors is an integer number (770020894720).

Almost surely, 2^{21122302001311} is an apocalyptic number.

21122302001311 is a deficient number, since it is larger than the sum of its proper divisors (3518366629729).

21122302001311 is a wasteful number, since it uses less digits than its factorization.

21122302001311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34943.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 21122302001311 its reverse (11310020322112), we get a palindrome (32432322323423).

The spelling of 21122302001311 in words is "twenty-one trillion, one hundred twenty-two billion, three hundred two million, one thousand, three hundred eleven".