10303013032121 has 16 divisors (see below), whose sum is σ = 10427030323776. Its totient is φ = 10179437400000.

The previous prime is 10303013032111. The next prime is 10303013032129. The reversal of 10303013032121 is 12123031030301.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10303013032121 is a prime.

It is a super-4 number, since 4×10303013032121⁴ (a number of 53 digits) contains 4444 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10303013032093 and 10303013032102.

It is not an unprimeable number, because it can be changed into a prime (10303013032129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223513286 + ... + 223559376.

It is an arithmetic number, because the mean of its divisors is an integer number (651689395236).

Almost surely, 2^{10303013032121} is an apocalyptic number.

It is an amenable number.

10303013032121 is a deficient number, since it is larger than the sum of its proper divisors (124017291655).

10303013032121 is a wasteful number, since it uses less digits than its factorization.

10303013032121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50824.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 10303013032121 its reverse (12123031030301), we get a palindrome (22426044062422).

The spelling of 10303013032121 in words is "ten trillion, three hundred three billion, thirteen million, thirty-two thousand, one hundred twenty-one".