202112012200111 has 4 divisors (see below), whose sum is σ = 217659090061672. Its totient is φ = 186564934338552.

The previous prime is 202112012200051. The next prime is 202112012200121. The reversal of 202112012200111 is 111002210211202.

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 202112012200111 - 2¹⁹ = 202112011675823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202112012200121) 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, 7773538930761 + ... + 7773538930786.

It is an arithmetic number, because the mean of its divisors is an integer number (54414772515418).

Almost surely, 2^{202112012200111} is an apocalyptic number.

202112012200111 is a deficient number, since it is larger than the sum of its proper divisors (15547077861561).

202112012200111 is a wasteful number, since it uses less digits than its factorization.

202112012200111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15547077861560.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 202112012200111 its reverse (111002210211202), we get a palindrome (313114222411313).

The spelling of 202112012200111 in words is "two hundred two trillion, one hundred twelve billion, twelve million, two hundred thousand, one hundred eleven".