201012102102111 has 32 divisors (see below), whose sum is σ = 270637349176320. Its totient is φ = 132703860466944.

The previous prime is 201012102102047. The next prime is 201012102102139. The reversal of 201012102102111 is 111201201210102.

It is a happy number.

It is not a de Polignac number, because 201012102102111 - 2⁶ = 201012102102047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201012102102811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 204284446 + ... + 205266068.

It is an arithmetic number, because the mean of its divisors is an integer number (8457417161760).

Almost surely, 2^{201012102102111} is an apocalyptic number.

201012102102111 is a deficient number, since it is larger than the sum of its proper divisors (69625247074209).

201012102102111 is a wasteful number, since it uses less digits than its factorization.

201012102102111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983255.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 201012102102111 its reverse (111201201210102), we get a palindrome (312213303312213).

The spelling of 201012102102111 in words is "two hundred one trillion, twelve billion, one hundred two million, one hundred two thousand, one hundred eleven".