10303112121 has 32 divisors (see below), whose sum is σ = 14750860800. Its totient is φ = 6377253120.

The previous prime is 10303112119. The next prime is 10303112129. The reversal of 10303112121 is 12121130301.

It is a happy number.

It is not a de Polignac number, because 10303112121 - 2¹ = 10303112119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10303112121.

It is not an unprimeable number, because it can be changed into a prime (10303112129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1128786 + ... + 1137876.

It is an arithmetic number, because the mean of its divisors is an integer number (460964400).

Almost surely, 2^10303112121 is an apocalyptic number.

It is an amenable number.

10303112121 is a deficient number, since it is larger than the sum of its proper divisors (4447748679).

10303112121 is a wasteful number, since it uses less digits than its factorization.

10303112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9509.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 10303112121 its reverse (12121130301), we get a palindrome (22424242422).

The spelling of 10303112121 in words is "ten billion, three hundred three million, one hundred twelve thousand, one hundred twenty-one".