Search a number
-
+
101001101212021 = 1861101119536719
BaseRepresentation
bin10110111101110000100110…
…110000100111100101110101
3111020121121111101212022200011
4112331300212300213211311
5101214300223402241041
6554451133152020221
730163042305063043
oct2675604660474565
9436547441768604
10101001101212021
112a2003655a4a4a
12b3b2834531671
1344484945c801a
141ad269d5d1393
15ba240ca5ae81
hex5bdc26c27975

101001101212021 has 8 divisors (see below), whose sum is σ = 101056561356800. Its totient is φ = 100945642346640.

The previous prime is 101001101212019. The next prime is 101001101212049. The reversal of 101001101212021 is 120212101100101.

It is a happy number.

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 101001101212021 - 21 = 101001101212019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101001101211992 and 101001101212010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101001101212321) 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, 187914100 + ... + 188450818.

It is an arithmetic number, because the mean of its divisors is an integer number (12632070169600).

Almost surely, 2101001101212021 is an apocalyptic number.

It is an amenable number.

101001101212021 is a deficient number, since it is larger than the sum of its proper divisors (55460144779).

101001101212021 is a wasteful number, since it uses less digits than its factorization.

101001101212021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639699.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 101001101212021 its reverse (120212101100101), we get a palindrome (221213202312122).

The spelling of 101001101212021 in words is "one hundred one trillion, one billion, one hundred one million, two hundred twelve thousand, twenty-one".

Divisors: 1 1861 101119 536719 188182459 998834059 54272488561 101001101212021