10203111213 has 16 divisors (see below), whose sum is σ = 14198146560. Its totient is φ = 6505179824.

The previous prime is 10203111181. The next prime is 10203111229. The reversal of 10203111213 is 31211130201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10203111213 - 2⁵ = 10203111181 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10203111192 and 10203111201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10203111263) 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, 559798 + ... + 577736.

It is an arithmetic number, because the mean of its divisors is an integer number (887384160).

Almost surely, 2^10203111213 is an apocalyptic number.

It is an amenable number.

10203111213 is a deficient number, since it is larger than the sum of its proper divisors (3995035347).

10203111213 is a wasteful number, since it uses less digits than its factorization.

10203111213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26208.

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

Adding to 10203111213 its reverse (31211130201), we get a palindrome (41414241414).

The spelling of 10203111213 in words is "ten billion, two hundred three million, one hundred eleven thousand, two hundred thirteen".