20123022123211 has 8 divisors (see below), whose sum is σ = 23997641289984. Its totient is φ = 16498378386600.

The previous prime is 20123022123209. The next prime is 20123022123343. The reversal of 20123022123211 is 11232122032102.

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 20123022123211 - 2¹ = 20123022123209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20123022123011) 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, 62493857365 + ... + 62493857686.

It is an arithmetic number, because the mean of its divisors is an integer number (2999705161248).

Almost surely, 2^{20123022123211} is an apocalyptic number.

20123022123211 is a deficient number, since it is larger than the sum of its proper divisors (3874619166773).

20123022123211 is a wasteful number, since it uses less digits than its factorization.

20123022123211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124987715081.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 20123022123211 its reverse (11232122032102), we get a palindrome (31355144155313).

The spelling of 20123022123211 in words is "twenty trillion, one hundred twenty-three billion, twenty-two million, one hundred twenty-three thousand, two hundred eleven".