2101563401351 has 4 divisors (see below), whose sum is σ = 2103646220400. Its totient is φ = 2099480582304.

The previous prime is 2101563401317. The next prime is 2101563401429. The reversal of 2101563401351 is 1531043651012.

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 2101563401351 - 2¹⁰ = 2101563400327 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 (2101563403351) 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, 1041408011 + ... + 1041410028.

It is an arithmetic number, because the mean of its divisors is an integer number (525911555100).

Almost surely, 2^{2101563401351} is an apocalyptic number.

2101563401351 is a deficient number, since it is larger than the sum of its proper divisors (2082819049).

2101563401351 is a wasteful number, since it uses less digits than its factorization.

2101563401351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2082819048.

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 2101563401351 in words is "two trillion, one hundred one billion, five hundred sixty-three million, four hundred one thousand, three hundred fifty-one".