20122033211 has 6 divisors (see below), whose sum is σ = 23407263180. Its totient is φ = 17247456996.

The previous prime is 20122033189. The next prime is 20122033307. The reversal of 20122033211 is 11233022102.

It is not a de Polignac number, because 20122033211 - 2¹⁸ = 20121771067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20122033211.

It is not an unprimeable number, because it can be changed into a prime (20122033111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 205326821 + ... + 205326918.

It is an arithmetic number, because the mean of its divisors is an integer number (3901210530).

Almost surely, 2^20122033211 is an apocalyptic number.

20122033211 is a deficient number, since it is larger than the sum of its proper divisors (3285229969).

20122033211 is an equidigital number, since it uses as much as digits as its factorization.

20122033211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410653753 (or 410653746 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20122033211 its reverse (11233022102), we get a palindrome (31355055313).

The spelling of 20122033211 in words is "twenty billion, one hundred twenty-two million, thirty-three thousand, two hundred eleven".