20201112323011 has 4 divisors (see below), whose sum is σ = 21389413047912. Its totient is φ = 19012811598112.

The previous prime is 20201112322961. The next prime is 20201112323027. The reversal of 20201112323011 is 11032321110202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20201112323011 - 2¹⁹ = 20201111798723 is a prime.

It is a super-2 number, since 2×20201112323011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20201112323011.

It is not an unprimeable number, because it can be changed into a prime (20201112324011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 594150362425 + ... + 594150362458.

It is an arithmetic number, because the mean of its divisors is an integer number (5347353261978).

Almost surely, 2^{20201112323011} is an apocalyptic number.

20201112323011 is a deficient number, since it is larger than the sum of its proper divisors (1188300724901).

20201112323011 is a wasteful number, since it uses less digits than its factorization.

20201112323011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188300724900.

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

Adding to 20201112323011 its reverse (11032321110202), we get a palindrome (31233433433213).

The spelling of 20201112323011 in words is "twenty trillion, two hundred one billion, one hundred twelve million, three hundred twenty-three thousand, eleven".