10201121121 has 8 divisors (see below), whose sum is σ = 13622074624. Its totient is φ = 6790457520.

The previous prime is 10201121089. The next prime is 10201121129. The reversal of 10201121121 is 12112110201.

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

It is not a de Polignac number, because 10201121121 - 2⁵ = 10201121089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10201121097 and 10201121106.

It is not an unprimeable number, because it can be changed into a prime (10201121129) 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, 2570161 + ... + 2574126.

It is an arithmetic number, because the mean of its divisors is an integer number (1702759328).

Almost surely, 2^10201121121 is an apocalyptic number.

It is an amenable number.

10201121121 is a deficient number, since it is larger than the sum of its proper divisors (3420953503).

10201121121 is an equidigital number, since it uses as much as digits as its factorization.

10201121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5144951.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 10201121121 its reverse (12112110201), we get a palindrome (22313231322).

It can be divided in two parts, 10201 and 121121, that multiplied together give a palindrome (1235555321).

The spelling of 10201121121 in words is "ten billion, two hundred one million, one hundred twenty-one thousand, one hundred twenty-one".