101321212013093 has 4 divisors (see below), whose sum is σ = 104059623148620. Its totient is φ = 98582800877568.

The previous prime is 101321212013057. The next prime is 101321212013107. The reversal of 101321212013093 is 390310212123101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 70581539243524 + 30739672769569 = 8401282^2 + 5544337^2 .

It is a cyclic number.

It is not a de Polignac number, because 101321212013093 - 2⁸ = 101321212012837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101321212013993) 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, 1369205567708 + ... + 1369205567781.

It is an arithmetic number, because the mean of its divisors is an integer number (26014905787155).

Almost surely, 2^{101321212013093} is an apocalyptic number.

It is an amenable number.

101321212013093 is a deficient number, since it is larger than the sum of its proper divisors (2738411135527).

101321212013093 is an equidigital number, since it uses as much as digits as its factorization.

101321212013093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2738411135526.

The product of its (nonzero) digits is 1944, while the sum is 29.

Adding to 101321212013093 its reverse (390310212123101), we get a palindrome (491631424136194).

The spelling of 101321212013093 in words is "one hundred one trillion, three hundred twenty-one billion, two hundred twelve million, thirteen thousand, ninety-three".