2010110212091 has 4 divisors (see below), whose sum is σ = 2013630545784. Its totient is φ = 2006589878400.

The previous prime is 2010110212079. The next prime is 2010110212133. The reversal of 2010110212091 is 1902120110102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2010110212091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2010110212021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1760165990 + ... + 1760167131.

It is an arithmetic number, because the mean of its divisors is an integer number (503407636446).

Almost surely, 2^{2010110212091} is an apocalyptic number.

2010110212091 is a deficient number, since it is larger than the sum of its proper divisors (3520333693).

2010110212091 is an equidigital number, since it uses as much as digits as its factorization.

2010110212091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3520333692.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 2010110212091 its reverse (1902120110102), we get a palindrome (3912230322193).

The spelling of 2010110212091 in words is "two trillion, ten billion, one hundred ten million, two hundred twelve thousand, ninety-one".