2011111120101 has 16 divisors (see below), whose sum is σ = 2688525959040. Its totient is φ = 1337219404800.

The previous prime is 2011111120099. The next prime is 2011111120111. The reversal of 2011111120101 is 1010211111102.

It is not a de Polignac number, because 2011111120101 - 2¹ = 2011111120099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011111120111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9267720 + ... + 9482238.

It is an arithmetic number, because the mean of its divisors is an integer number (168032872440).

Almost surely, 2^{2011111120101} is an apocalyptic number.

It is an amenable number.

2011111120101 is a deficient number, since it is larger than the sum of its proper divisors (677414838939).

2011111120101 is a wasteful number, since it uses less digits than its factorization.

2011111120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222716.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 2011111120101 its reverse (1010211111102), we get a palindrome (3021322231203).

The spelling of 2011111120101 in words is "two trillion, eleven billion, one hundred eleven million, one hundred twenty thousand, one hundred one".