20211312302011 has 8 divisors (see below), whose sum is σ = 20215151818064. Its totient is φ = 20207473159680.

The previous prime is 20211312301981. The next prime is 20211312302017. The reversal of 20211312302011 is 11020321311202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20211312302011 - 2¹³ = 20211312293819 is a prime.

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 20211312302011.

It is not an unprimeable number, because it can be changed into a prime (20211312302017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122982751 + ... + 123146983.

It is an arithmetic number, because the mean of its divisors is an integer number (2526893977258).

Almost surely, 2^{20211312302011} is an apocalyptic number.

20211312302011 is a deficient number, since it is larger than the sum of its proper divisors (3839516053).

20211312302011 is a wasteful number, since it uses less digits than its factorization.

20211312302011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186861.

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

Adding to 20211312302011 its reverse (11020321311202), we get a palindrome (31231633613213).

The spelling of 20211312302011 in words is "twenty trillion, two hundred eleven billion, three hundred twelve million, three hundred two thousand, eleven".