2101323101011 has 8 divisors (see below), whose sum is σ = 2193708211200. Its totient is φ = 2009023260552.

The previous prime is 2101323100997. The next prime is 2101323101027. The reversal of 2101323101011 is 1101013231012.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2101323101011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101323701011) 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, 21267061 + ... + 21365638.

It is an arithmetic number, because the mean of its divisors is an integer number (274213526400).

Almost surely, 2^{2101323101011} is an apocalyptic number.

2101323101011 is a deficient number, since it is larger than the sum of its proper divisors (92385110189).

2101323101011 is a wasteful number, since it uses less digits than its factorization.

2101323101011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42634865.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 2101323101011 its reverse (1101013231012), we get a palindrome (3202336332023).

The spelling of 2101323101011 in words is "two trillion, one hundred one billion, three hundred twenty-three million, one hundred one thousand, eleven".