10215115332121 has 8 divisors (see below), whose sum is σ = 12288860550080. Its totient is φ = 8294980871088.

The previous prime is 10215115332101. The next prime is 10215115332137. The reversal of 10215115332121 is 12123351151201.

It is a happy number.

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 10215115332121 - 2⁵ = 10215115332089 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 10215115332121.

It is not an unprimeable number, because it can be changed into a prime (10215115332101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38402689086 + ... + 38402689351.

It is an arithmetic number, because the mean of its divisors is an integer number (1536107568760).

Almost surely, 2^{10215115332121} is an apocalyptic number.

It is an amenable number.

10215115332121 is a deficient number, since it is larger than the sum of its proper divisors (2073745217959).

10215115332121 is an equidigital number, since it uses as much as digits as its factorization.

10215115332121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76805378463.

The product of its (nonzero) digits is 1800, while the sum is 28.

Adding to 10215115332121 its reverse (12123351151201), we get a palindrome (22338466483322).

The spelling of 10215115332121 in words is "ten trillion, two hundred fifteen billion, one hundred fifteen million, three hundred thirty-two thousand, one hundred twenty-one".