202002112111 has 4 divisors (see below), whose sum is σ = 213884589312. Its totient is φ = 190119634912.

The previous prime is 202002112073. The next prime is 202002112153. The reversal of 202002112111 is 111211200202.

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

It is a de Polignac number, because none of the positive numbers 2^k-202002112111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202002112091 and 202002112100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202002112211) 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, 5941238575 + ... + 5941238608.

It is an arithmetic number, because the mean of its divisors is an integer number (53471147328).

Almost surely, 2^202002112111 is an apocalyptic number.

202002112111 is a deficient number, since it is larger than the sum of its proper divisors (11882477201).

202002112111 is a wasteful number, since it uses less digits than its factorization.

202002112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11882477200.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 202002112111 its reverse (111211200202), we get a palindrome (313213312313).

The spelling of 202002112111 in words is "two hundred two billion, two million, one hundred twelve thousand, one hundred eleven".