101000030021 has 8 divisors (see below), whose sum is σ = 110911533888. Its totient is φ = 91210140000.

The previous prime is 101000030011. The next prime is 101000030039. The reversal of 101000030021 is 120030000101.

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 101000030021 - 2⁶ = 101000029957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101000029990 and 101000030008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101000030011) 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, 30401720 + ... + 30405041.

It is an arithmetic number, because the mean of its divisors is an integer number (13863941736).

Almost surely, 2^101000030021 is an apocalyptic number.

101000030021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

101000030021 is a deficient number, since it is larger than the sum of its proper divisors (9911503867).

101000030021 is a wasteful number, since it uses less digits than its factorization.

101000030021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60806923.

The product of its (nonzero) digits is 6, while the sum is 8.

Adding to 101000030021 its reverse (120030000101), we get a palindrome (221030030122).

The spelling of 101000030021 in words is "one hundred one billion, thirty thousand, twenty-one".