2101231320110 has 64 divisors (see below), whose sum is σ = 4087572128640. Its totient is φ = 773097991680.

The previous prime is 2101231320059. The next prime is 2101231320119. The reversal of 2101231320110 is 110231321012.

It is a super-2 number, since 2×2101231320110² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101231320119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44504396 + ... + 44551584.

It is an arithmetic number, because the mean of its divisors is an integer number (63868314510).

Almost surely, 2^{2101231320110} is an apocalyptic number.

2101231320110 is a deficient number, since it is larger than the sum of its proper divisors (1986340808530).

2101231320110 is a wasteful number, since it uses less digits than its factorization.

2101231320110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48413.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2101231320110 its reverse (110231321012), we get a palindrome (2211462641122).

The spelling of 2101231320110 in words is "two trillion, one hundred one billion, two hundred thirty-one million, three hundred twenty thousand, one hundred ten".