20301121311 has 16 divisors (see below), whose sum is σ = 29411927040. Its totient is φ = 12408154560.

The previous prime is 20301121307. The next prime is 20301121331. The reversal of 20301121311 is 11312110302.

It is a happy number.

It is not a de Polignac number, because 20301121311 - 2² = 20301121307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20301121331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5742750 + ... + 5746283.

It is an arithmetic number, because the mean of its divisors is an integer number (1838245440).

Almost surely, 2^20301121311 is an apocalyptic number.

20301121311 is a deficient number, since it is larger than the sum of its proper divisors (9110805729).

20301121311 is a wasteful number, since it uses less digits than its factorization.

20301121311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11489086.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 20301121311 its reverse (11312110302), we get a palindrome (31613231613).

The spelling of 20301121311 in words is "twenty billion, three hundred one million, one hundred twenty-one thousand, three hundred eleven".