101373221553 has 8 divisors (see below), whose sum is σ = 135167760000. Its totient is φ = 67580415408.

The previous prime is 101373221539. The next prime is 101373221633. The reversal of 101373221553 is 355122373101.

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

It is not a de Polignac number, because 101373221553 - 2²⁴ = 101356444337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101373229553) 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, 289753 + ... + 535446.

It is an arithmetic number, because the mean of its divisors is an integer number (16895970000).

Almost surely, 2^101373221553 is an apocalyptic number.

It is an amenable number.

101373221553 is a deficient number, since it is larger than the sum of its proper divisors (33794538447).

101373221553 is an equidigital number, since it uses as much as digits as its factorization.

101373221553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866151.

The product of its (nonzero) digits is 18900, while the sum is 33.

Adding to 101373221553 its reverse (355122373101), we get a palindrome (456495594654).

The spelling of 101373221553 in words is "one hundred one billion, three hundred seventy-three million, two hundred twenty-one thousand, five hundred fifty-three".