10320002121 has 16 divisors (see below), whose sum is σ = 16165598400. Its totient is φ = 5773427520.

The previous prime is 10320002101. The next prime is 10320002123. The reversal of 10320002121 is 12120002301.

It is not a de Polignac number, because 10320002121 - 2⁹ = 10320001609 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10320002097 and 10320002106.

It is not an unprimeable number, because it can be changed into a prime (10320002123) 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, 12027546 + ... + 12028403.

It is an arithmetic number, because the mean of its divisors is an integer number (1010349900).

Almost surely, 2^10320002121 is an apocalyptic number.

10320002121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10320002121 is a deficient number, since it is larger than the sum of its proper divisors (5845596279).

10320002121 is a wasteful number, since it uses less digits than its factorization.

10320002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24055976.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 10320002121 its reverse (12120002301), we get a palindrome (22440004422).

The spelling of 10320002121 in words is "ten billion, three hundred twenty million, two thousand, one hundred twenty-one".