20132122121 has 8 divisors (see below), whose sum is σ = 20211021504. Its totient is φ = 20053343440.

The previous prime is 20132122097. The next prime is 20132122123. The reversal of 20132122121 is 12122123102.

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 20132122121 - 2²² = 20127927817 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 20132122121.

It is not an unprimeable number, because it can be changed into a prime (20132122123) 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, 311591 + ... + 370611.

It is an arithmetic number, because the mean of its divisors is an integer number (2526377688).

Almost surely, 2^20132122121 is an apocalyptic number.

It is an amenable number.

20132122121 is a deficient number, since it is larger than the sum of its proper divisors (78899383).

20132122121 is an equidigital number, since it uses as much as digits as its factorization.

20132122121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60351.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20132122121 its reverse (12122123102), we get a palindrome (32254245223).

The spelling of 20132122121 in words is "twenty billion, one hundred thirty-two million, one hundred twenty-two thousand, one hundred twenty-one".