101000133121 has 8 divisors (see below), whose sum is σ = 103485312000. Its totient is φ = 98515990560.

The previous prime is 101000133077. The next prime is 101000133131. The reversal of 101000133121 is 121331000101.

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

It is a cyclic number.

It is not a de Polignac number, because 101000133121 - 2²¹ = 100998035969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101000133131) 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, 59901 + ... + 453418.

It is an arithmetic number, because the mean of its divisors is an integer number (12935664000).

Almost surely, 2^101000133121 is an apocalyptic number.

It is an amenable number.

101000133121 is a deficient number, since it is larger than the sum of its proper divisors (2485178879).

101000133121 is an equidigital number, since it uses as much as digits as its factorization.

101000133121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518159.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 101000133121 its reverse (121331000101), we get a palindrome (222331133222).

The spelling of 101000133121 in words is "one hundred one billion, one hundred thirty-three thousand, one hundred twenty-one".