10202012311 has 4 divisors (see below), whose sum is σ = 10202557824. Its totient is φ = 10201466800.

The previous prime is 10202012309. The next prime is 10202012377. The reversal of 10202012311 is 11321020201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10202012311 - 2¹ = 10202012309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10202012291 and 10202012300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202012111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243670 + ... + 282451.

It is an arithmetic number, because the mean of its divisors is an integer number (2550639456).

Almost surely, 2^10202012311 is an apocalyptic number.

10202012311 is a deficient number, since it is larger than the sum of its proper divisors (545513).

10202012311 is an equidigital number, since it uses as much as digits as its factorization.

10202012311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545512.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 10202012311 its reverse (11321020201), we get a palindrome (21523032512).

The spelling of 10202012311 in words is "ten billion, two hundred two million, twelve thousand, three hundred eleven".