10121333230121 has 4 divisors (see below), whose sum is σ = 10561391196672. Its totient is φ = 9681275263572.

The previous prime is 10121333230067. The next prime is 10121333230153. The reversal of 10121333230121 is 12103233312101.

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 a de Polignac number, because none of the positive numbers 2^k-10121333230121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 440057966527 = 10121333230121 / (1 + 0 + 1 + 2 + 1 + 3 + 3 + 3 + 2 + 3 + 0 + 1 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10121333230621) 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, 220028983241 + ... + 220028983286.

It is an arithmetic number, because the mean of its divisors is an integer number (2640347799168).

Almost surely, 2^{10121333230121} is an apocalyptic number.

It is an amenable number.

10121333230121 is a deficient number, since it is larger than the sum of its proper divisors (440057966551).

10121333230121 is an equidigital number, since it uses as much as digits as its factorization.

10121333230121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440057966550.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 10121333230121 its reverse (12103233312101), we get a palindrome (22224566542222).

The spelling of 10121333230121 in words is "ten trillion, one hundred twenty-one billion, three hundred thirty-three million, two hundred thirty thousand, one hundred twenty-one".