2011120100166 has 16 divisors (see below), whose sum is σ = 4031041606704. Its totient is φ = 668906465664.

The previous prime is 2011120100117. The next prime is 2011120100167. The reversal of 2011120100166 is 6610010211102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011120100167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366722295 + ... + 366727778.

It is an arithmetic number, because the mean of its divisors is an integer number (251940100419).

Almost surely, 2^{2011120100166} is an apocalyptic number.

2011120100166 is an abundant number, since it is smaller than the sum of its proper divisors (2019921506538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2011120100166 is a wasteful number, since it uses less digits than its factorization.

2011120100166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733450535.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 2011120100166 its reverse (6610010211102), we get a palindrome (8621130311268).

The spelling of 2011120100166 in words is "two trillion, eleven billion, one hundred twenty million, one hundred thousand, one hundred sixty-six".