101322321000421 has 4 divisors (see below), whose sum is σ = 101399022228844. Its totient is φ = 101245619772000.

The previous prime is 101322321000413. The next prime is 101322321000431. The reversal of 101322321000421 is 124000123223101.

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 67136899951521 + 34185421048900 = 8193711^2 + 5846830^2 .

It is a cyclic number.

It is not a de Polignac number, because 101322321000421 - 2³ = 101322321000413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101322321000392 and 101322321000401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101322321000431) 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, 38350612230 + ... + 38350614871.

It is an arithmetic number, because the mean of its divisors is an integer number (25349755557211).

Almost surely, 2^{101322321000421} is an apocalyptic number.

It is an amenable number.

101322321000421 is a deficient number, since it is larger than the sum of its proper divisors (76701228423).

101322321000421 is an equidigital number, since it uses as much as digits as its factorization.

101322321000421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76701228422.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 101322321000421 its reverse (124000123223101), we get a palindrome (225322444223522).

The spelling of 101322321000421 in words is "one hundred one trillion, three hundred twenty-two billion, three hundred twenty-one million, four hundred twenty-one", and thus it is an aban number.