Search a number
-
+
1110101220021 = 3715211742817
BaseRepresentation
bin10000001001110111001…
…100000101101010110101
310221010100212021220121210
4100021313030011222311
5121141441403020041
62205550133432033
7143126225452413
oct20116714055265
93833325256553
101110101220021
11398878220112
1215b18a79b619
13808b3745641
143ba2cc582b3
151dd226a5016
hex10277305ab5

1110101220021 has 8 divisors (see below), whose sum is σ = 1500981931584. Its totient is φ = 729643994240.

The previous prime is 1110101220017. The next prime is 1110101220029. The reversal of 1110101220021 is 1200221010111.

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 1110101220021 - 22 = 1110101220017 is a prime.

It is a super-2 number, since 2×11101012200212 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1110101219979 and 1110101220006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110101220029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2605871196 + ... + 2605871621.

It is an arithmetic number, because the mean of its divisors is an integer number (187622741448).

Almost surely, 21110101220021 is an apocalyptic number.

It is an amenable number.

1110101220021 is a deficient number, since it is larger than the sum of its proper divisors (390880711563).

1110101220021 is an equidigital number, since it uses as much as digits as its factorization.

1110101220021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5211742891.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1110101220021 its reverse (1200221010111), we get a palindrome (2310322230132).

The spelling of 1110101220021 in words is "one trillion, one hundred ten billion, one hundred one million, two hundred twenty thousand, twenty-one".

Divisors: 1 3 71 213 5211742817 15635228451 370033740007 1110101220021