Search a number
-
+
20211010021201 = 167159775782099
BaseRepresentation
bin1001001100001101111100…
…00100101010011101010001
32122120011011001001012220011
410212012332010222131101
510122114122031134301
6110552450531114521
74154124445430026
oct446067604523521
978504131035804
1020211010021201
11649249429110a
122325042442a41
13b37b7562894c
144dc30a69b54d
15250b04bc8a51
hex1261be12a751

20211010021201 has 8 divisors (see below), whose sum is σ = 20344765694400. Its totient is φ = 20077405915728.

The previous prime is 20211010021099. The next prime is 20211010021207. The reversal of 20211010021201 is 10212001011202.

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 20211010021201 - 241 = 18011986765649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20211010021207) 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, 37624351 + ... + 38157748.

It is an arithmetic number, because the mean of its divisors is an integer number (2543095711800).

Almost surely, 220211010021201 is an apocalyptic number.

It is an amenable number.

20211010021201 is a deficient number, since it is larger than the sum of its proper divisors (133755673199).

20211010021201 is a wasteful number, since it uses less digits than its factorization.

20211010021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75783863.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20211010021201 its reverse (10212001011202), we get a palindrome (30423011032403).

Subtracting from 20211010021201 its reverse (10212001011202), we obtain a palindrome (9999009009999).

The spelling of 20211010021201 in words is "twenty trillion, two hundred eleven billion, ten million, twenty-one thousand, two hundred one".

Divisors: 1 167 1597 266699 75782099 12655610533 121024012103 20211010021201