Search a number
-
+
101014421221 = 714430631603
BaseRepresentation
bin101111000010011101…
…1011011111011100101
3100122201212110021120001
41132010323123323211
53123334142434341
6114223321341301
710204142261530
oct1360473337345
9318655407501
10101014421221
113992700984a
12176b1637831
1396aaa2899c
144c63a83a17
152963318d31
hex1784edbee5

101014421221 has 4 divisors (see below), whose sum is σ = 115445052832. Its totient is φ = 86583789612.

The previous prime is 101014421219. The next prime is 101014421239. The reversal of 101014421221 is 122124410101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 122124410101 = 129739413737.

It is a cyclic number.

It is not a de Polignac number, because 101014421221 - 21 = 101014421219 is a prime.

It is a super-2 number, since 2×1010144212212 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101014421201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7215315795 + ... + 7215315808.

It is an arithmetic number, because the mean of its divisors is an integer number (28861263208).

Almost surely, 2101014421221 is an apocalyptic number.

It is an amenable number.

101014421221 is a deficient number, since it is larger than the sum of its proper divisors (14430631611).

101014421221 is an equidigital number, since it uses as much as digits as its factorization.

101014421221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14430631610.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 101014421221 its reverse (122124410101), we get a palindrome (223138831322).

The spelling of 101014421221 in words is "one hundred one billion, fourteen million, four hundred twenty-one thousand, two hundred twenty-one".

Divisors: 1 7 14430631603 101014421221