10211304121 has 12 divisors (see below), whose sum is σ = 10883769444. Its totient is φ = 9578052000.

The previous prime is 10211304113. The next prime is 10211304137. The reversal of 10211304121 is 12140311201.

It can be written as a sum of positive squares in 2 ways, for example, as 8685308025 + 1525996096 = 93195^2 + 39064^2 .

It is not a de Polignac number, because 10211304121 - 2³ = 10211304113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10211304095 and 10211304104.

It is not an unprimeable number, because it can be changed into a prime (10211304161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 103570 + ... + 176491.

It is an arithmetic number, because the mean of its divisors is an integer number (906980787).

Almost surely, 2^10211304121 is an apocalyptic number.

It is an amenable number.

10211304121 is a deficient number, since it is larger than the sum of its proper divisors (672465323).

10211304121 is a wasteful number, since it uses less digits than its factorization.

10211304121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280200 (or 280181 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 10211304121 its reverse (12140311201), we get a palindrome (22351615322).

The spelling of 10211304121 in words is "ten billion, two hundred eleven million, three hundred four thousand, one hundred twenty-one".