20221123011 has 8 divisors (see below), whose sum is σ = 26992742400. Its totient is φ = 13465126152.

The previous prime is 20221123001. The next prime is 20221123031. The reversal of 20221123011 is 11032112202.

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

It is not a de Polignac number, because 20221123011 - 2¹¹ = 20221120963 is a prime.

It is a super-2 number, since 2×20221123011² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20221123001) 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, 3902611 + ... + 3907788.

It is an arithmetic number, because the mean of its divisors is an integer number (3374092800).

Almost surely, 2^20221123011 is an apocalyptic number.

20221123011 is a deficient number, since it is larger than the sum of its proper divisors (6771619389).

20221123011 is an equidigital number, since it uses as much as digits as its factorization.

20221123011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7811265.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20221123011 its reverse (11032112202), we get a palindrome (31253235213).

The spelling of 20221123011 in words is "twenty billion, two hundred twenty-one million, one hundred twenty-three thousand, eleven".