20122411311 has 56 divisors (see below), whose sum is σ = 30527490000. Its totient is φ = 13256929152.

The previous prime is 20122411297. The next prime is 20122411313. The reversal of 20122411311 is 11311422102.

20122411311 is a `hidden beast` number, since 201 + 22 + 411 + 31 + 1 = 666.

It is not a de Polignac number, because 20122411311 - 2⁶ = 20122411247 is a prime.

It is a super-2 number, since 2×20122411311² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122411313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 35364235 + ... + 35364803.

It is an arithmetic number, because the mean of its divisors is an integer number (545133750).

Almost surely, 2^20122411311 is an apocalyptic number.

20122411311 is a deficient number, since it is larger than the sum of its proper divisors (10405078689).

20122411311 is an equidigital number, since it uses as much as digits as its factorization.

20122411311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075 (or 1060 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 20122411311 its reverse (11311422102), we get a palindrome (31433833413).

The spelling of 20122411311 in words is "twenty billion, one hundred twenty-two million, four hundred eleven thousand, three hundred eleven".