201000002112111 has 32 divisors (see below), whose sum is σ = 273534006647808. Its totient is φ = 131257609217280.

The previous prime is 201000002112103. The next prime is 201000002112121. The reversal of 201000002112111 is 111211200000102.

It is not a de Polignac number, because 201000002112111 - 2³ = 201000002112103 is a prime.

It is a super-2 number, since 2×201000002112111² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201000002112121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 327984166 + ... + 328596428.

It is an arithmetic number, because the mean of its divisors is an integer number (8547937707744).

Almost surely, 2^{201000002112111} is an apocalyptic number.

201000002112111 is a deficient number, since it is larger than the sum of its proper divisors (72534004535697).

201000002112111 is a wasteful number, since it uses less digits than its factorization.

201000002112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622311.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 201000002112111 its reverse (111211200000102), we get a palindrome (312211202112213).

The spelling of 201000002112111 in words is "two hundred one trillion, two million, one hundred twelve thousand, one hundred eleven".