101313251421 has 8 divisors (see below), whose sum is σ = 135089173344. Its totient is φ = 67539748560.

The previous prime is 101313251401. The next prime is 101313251423. The reversal of 101313251421 is 124152313101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-101313251421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101313251391 and 101313251400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101313251423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504675 + ... + 676256.

It is an arithmetic number, because the mean of its divisors is an integer number (16886146668).

Almost surely, 2^101313251421 is an apocalyptic number.

It is an amenable number.

101313251421 is a deficient number, since it is larger than the sum of its proper divisors (33775921923).

101313251421 is a wasteful number, since it uses less digits than its factorization.

101313251421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209531.

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 101313251421 its reverse (124152313101), we get a palindrome (225465564522).

The spelling of 101313251421 in words is "one hundred one billion, three hundred thirteen million, two hundred fifty-one thousand, four hundred twenty-one".