20211032231011 has 16 divisors (see below), whose sum is σ = 21486396905568. Its totient is φ = 18945285120000.

The previous prime is 20211032230981. The next prime is 20211032231023. The reversal of 20211032231011 is 11013223011202.

It is a cyclic number.

It is not a de Polignac number, because 20211032231011 - 2¹⁷ = 20211032099939 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 20211032231011.

It is not an unprimeable number, because it can be changed into a prime (20211032232011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80576551 + ... + 80826991.

It is an arithmetic number, because the mean of its divisors is an integer number (1342899806598).

Almost surely, 2^{20211032231011} is an apocalyptic number.

20211032231011 is a deficient number, since it is larger than the sum of its proper divisors (1275364674557).

20211032231011 is a wasteful number, since it uses less digits than its factorization.

20211032231011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269622.

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

Adding to 20211032231011 its reverse (11013223011202), we get a palindrome (31224255242213).

The spelling of 20211032231011 in words is "twenty trillion, two hundred eleven billion, thirty-two million, two hundred thirty-one thousand, eleven".