201010111202111 has 8 divisors (see below), whose sum is σ = 205181318156544. Its totient is φ = 196852925112480.

The previous prime is 201010111202009. The next prime is 201010111202123. The reversal of 201010111202111 is 111202111010102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201010111202111 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 (201010111502111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3505187231 + ... + 3505244576.

It is an arithmetic number, because the mean of its divisors is an integer number (25647664769568).

Almost surely, 2^{201010111202111} is an apocalyptic number.

201010111202111 is a deficient number, since it is larger than the sum of its proper divisors (4171206954433).

201010111202111 is an equidigital number, since it uses as much as digits as its factorization.

201010111202111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7010432401.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 201010111202111 its reverse (111202111010102), we get a palindrome (312212222212213).

The spelling of 201010111202111 in words is "two hundred one trillion, ten billion, one hundred eleven million, two hundred two thousand, one hundred eleven".