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101201201021 = 473931547753
BaseRepresentation
bin101111001000000001…
…1111100011101111101
3100200012212220200021102
41132100003330131331
53124230001413041
6114254032542445
710211601005204
oct1362003743575
9320185820242
10101201201021
1139a12492218
12177440b1a25
13970a63478b
144c807c423b
15297491109b
hex17900fc77d

101201201021 has 8 divisors (see below), whose sum is σ = 103380898944. Its totient is φ = 99022606560.

The previous prime is 101201200999. The next prime is 101201201027. The reversal of 101201201021 is 120102102101.

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 101201201021 - 234 = 84021331837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101201200993 and 101201201011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101201201027) 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, 89120 + ... + 458633.

It is an arithmetic number, because the mean of its divisors is an integer number (12922612368).

Almost surely, 2101201201021 is an apocalyptic number.

It is an amenable number.

101201201021 is a deficient number, since it is larger than the sum of its proper divisors (2179697923).

101201201021 is an equidigital number, since it uses as much as digits as its factorization.

101201201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551731.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 101201201021 its reverse (120102102101), we get a palindrome (221303303122).

The spelling of 101201201021 in words is "one hundred one billion, two hundred one million, two hundred one thousand, twenty-one".

Divisors: 1 47 3931 184757 547753 25744391 2153217043 101201201021