2111120110206 has 24 divisors (see below), whose sum is σ = 4575349298520. Its totient is φ = 703513514736.

The previous prime is 2111120110139. The next prime is 2111120110207. The reversal of 2111120110206 is 6020110211112.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111120110207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16031661 + ... + 16162808.

It is an arithmetic number, because the mean of its divisors is an integer number (190639554105).

Almost surely, 2^{2111120110206} is an apocalyptic number.

2111120110206 is an abundant number, since it is smaller than the sum of its proper divisors (2464229188314).

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

2111120110206 is a wasteful number, since it uses less digits than its factorization.

2111120110206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32198120 (or 32198117 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 2111120110206 its reverse (6020110211112), we get a palindrome (8131230321318).

The spelling of 2111120110206 in words is "two trillion, one hundred eleven billion, one hundred twenty million, one hundred ten thousand, two hundred six".