202011112321 has 4 divisors (see below), whose sum is σ = 202054625712. Its totient is φ = 201967598932.

The previous prime is 202011112307. The next prime is 202011112327. The reversal of 202011112321 is 123211110202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 202011112321 - 2¹³ = 202011104129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202011112295 and 202011112304.

It is not an unprimeable number, because it can be changed into a prime (202011112327) 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, 21749731 + ... + 21759016.

It is an arithmetic number, because the mean of its divisors is an integer number (50513656428).

Almost surely, 2^202011112321 is an apocalyptic number.

It is an amenable number.

202011112321 is a deficient number, since it is larger than the sum of its proper divisors (43513391).

202011112321 is an equidigital number, since it uses as much as digits as its factorization.

202011112321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43513390.

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

Adding to 202011112321 its reverse (123211110202), we get a palindrome (325222222523).

The spelling of 202011112321 in words is "two hundred two billion, eleven million, one hundred twelve thousand, three hundred twenty-one".