2161112601333 has 8 divisors (see below), whose sum is σ = 3293123963968. Its totient is φ = 1234921486464.

The previous prime is 2161112601331. The next prime is 2161112601353. The reversal of 2161112601333 is 3331062111612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2161112601333 - 2¹ = 2161112601331 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2161112601333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2161112601331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51455061916 + ... + 51455061957.

It is an arithmetic number, because the mean of its divisors is an integer number (411640495496).

Almost surely, 2^{2161112601333} is an apocalyptic number.

It is an amenable number.

2161112601333 is a deficient number, since it is larger than the sum of its proper divisors (1132011362635).

2161112601333 is a wasteful number, since it uses less digits than its factorization.

2161112601333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102910123883.

The product of its (nonzero) digits is 3888, while the sum is 30.

Adding to 2161112601333 its reverse (3331062111612), we get a palindrome (5492174712945).

The spelling of 2161112601333 in words is "two trillion, one hundred sixty-one billion, one hundred twelve million, six hundred one thousand, three hundred thirty-three".