2101550813327 has 4 divisors (see below), whose sum is σ = 2401772358096. Its totient is φ = 1801329268560.

The previous prime is 2101550813303. The next prime is 2101550813353. The reversal of 2101550813327 is 7233180551012.

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 2101550813327 - 2¹⁸ = 2101550551183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101550863327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150110772374 + ... + 150110772387.

It is an arithmetic number, because the mean of its divisors is an integer number (600443089524).

Almost surely, 2^{2101550813327} is an apocalyptic number.

2101550813327 is a deficient number, since it is larger than the sum of its proper divisors (300221544769).

2101550813327 is an equidigital number, since it uses as much as digits as its factorization.

2101550813327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300221544768.

The product of its (nonzero) digits is 50400, while the sum is 38.

The spelling of 2101550813327 in words is "two trillion, one hundred one billion, five hundred fifty million, eight hundred thirteen thousand, three hundred twenty-seven".