20211301211131 has 8 divisors (see below), whose sum is σ = 21414573506160. Its totient is φ = 19009625829888.

The previous prime is 20211301211119. The next prime is 20211301211141. The reversal of 20211301211131 is 13111210311202.

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 20211301211131 - 2¹¹ = 20211301209083 is a prime.

It is a super-2 number, since 2×20211301211131² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20211301211099 and 20211301211108.

It is not an unprimeable number, because it can be changed into a prime (20211301211141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399202381 + ... + 399253006.

It is an arithmetic number, because the mean of its divisors is an integer number (2676821688270).

Almost surely, 2^{20211301211131} is an apocalyptic number.

20211301211131 is a deficient number, since it is larger than the sum of its proper divisors (1203272295029).

20211301211131 is a wasteful number, since it uses less digits than its factorization.

20211301211131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798456893.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 20211301211131 its reverse (13111210311202), we get a palindrome (33322511522333).

The spelling of 20211301211131 in words is "twenty trillion, two hundred eleven billion, three hundred one million, two hundred eleven thousand, one hundred thirty-one".