10121201011121 has 8 divisors (see below), whose sum is σ = 10678614825600. Its totient is φ = 9566259099120.

The previous prime is 10121201011109. The next prime is 10121201011123. The reversal of 10121201011121 is 12111010212101.

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 10121201011121 - 2¹⁸ = 10121200748977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10121201011096 and 10121201011105.

It is not an unprimeable number, because it can be changed into a prime (10121201011123) 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, 617967206 + ... + 617983583.

It is an arithmetic number, because the mean of its divisors is an integer number (1334826853200).

Almost surely, 2^{10121201011121} is an apocalyptic number.

It is an amenable number.

10121201011121 is a deficient number, since it is larger than the sum of its proper divisors (557413814479).

10121201011121 is a wasteful number, since it uses less digits than its factorization.

10121201011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235951239.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 10121201011121 its reverse (12111010212101), we get a palindrome (22232211223222).

The spelling of 10121201011121 in words is "ten trillion, one hundred twenty-one billion, two hundred one million, eleven thousand, one hundred twenty-one".