202001120111 has 6 divisors (see below), whose sum is σ = 234980894880. Its totient is φ = 173143817196.

The previous prime is 202001120107. The next prime is 202001120173. The reversal of 202001120111 is 111021100202.

It is not a de Polignac number, because 202001120111 - 2² = 202001120107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202001120092 and 202001120101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202001122111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2061235871 + ... + 2061235968.

It is an arithmetic number, because the mean of its divisors is an integer number (39163482480).

Almost surely, 2^202001120111 is an apocalyptic number.

202001120111 is a deficient number, since it is larger than the sum of its proper divisors (32979774769).

202001120111 is an equidigital number, since it uses as much as digits as its factorization.

202001120111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4122471853 (or 4122471846 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 202001120111 its reverse (111021100202), we get a palindrome (313022220313).

The spelling of 202001120111 in words is "two hundred two billion, one million, one hundred twenty thousand, one hundred eleven".