10201332121 has 4 divisors (see below), whose sum is σ = 10234134144. Its totient is φ = 10168530100.

The previous prime is 10201332091. The next prime is 10201332143. The reversal of 10201332121 is 12123310201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10201332121 - 2²³ = 10192943513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10201332095 and 10201332104.

It is not an unprimeable number, because it can be changed into a prime (10201332191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16400545 + ... + 16401166.

It is an arithmetic number, because the mean of its divisors is an integer number (2558533536).

Almost surely, 2^10201332121 is an apocalyptic number.

It is an amenable number.

10201332121 is a deficient number, since it is larger than the sum of its proper divisors (32802023).

10201332121 is an equidigital number, since it uses as much as digits as its factorization.

10201332121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32802022.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10201332121 its reverse (12123310201), we get a palindrome (22324642322).

The spelling of 10201332121 in words is "ten billion, two hundred one million, three hundred thirty-two thousand, one hundred twenty-one".