101348021698561 has 4 divisors (see below), whose sum is σ = 110561478216624. Its totient is φ = 92134565180500.

The previous prime is 101348021698531. The next prime is 101348021698579. The reversal of 101348021698561 is 165896120843101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101348021698561 - 2¹⁷ = 101348021567489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101348021698531) 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, 4606728259015 + ... + 4606728259036.

It is an arithmetic number, because the mean of its divisors is an integer number (27640369554156).

Almost surely, 2^{101348021698561} is an apocalyptic number.

101348021698561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

101348021698561 is a deficient number, since it is larger than the sum of its proper divisors (9213456518063).

101348021698561 is an equidigital number, since it uses as much as digits as its factorization.

101348021698561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9213456518062.

The product of its (nonzero) digits is 2488320, while the sum is 55.

The spelling of 101348021698561 in words is "one hundred one trillion, three hundred forty-eight billion, twenty-one million, six hundred ninety-eight thousand, five hundred sixty-one".