2101112320331 has 4 divisors (see below), whose sum is σ = 2149975397592. Its totient is φ = 2052249243072.

The previous prime is 2101112320313. The next prime is 2101112320357. The reversal of 2101112320331 is 1330232111012.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2101112320331 - 2⁶ = 2101112320267 is a prime.

It is a super-2 number, since 2×2101112320331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101112320301) 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, 24431538566 + ... + 24431538651.

It is an arithmetic number, because the mean of its divisors is an integer number (537493849398).

Almost surely, 2^{2101112320331} is an apocalyptic number.

2101112320331 is a deficient number, since it is larger than the sum of its proper divisors (48863077261).

2101112320331 is an equidigital number, since it uses as much as digits as its factorization.

2101112320331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48863077260.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2101112320331 its reverse (1330232111012), we get a palindrome (3431344431343).

The spelling of 2101112320331 in words is "two trillion, one hundred one billion, one hundred twelve million, three hundred twenty thousand, three hundred thirty-one".