Search a number
-
+
100222010221 = 157811787123
BaseRepresentation
bin101110101010110110…
…0101000001101101101
3100120200122101122000111
41131111230220031231
53120223313311341
6114012533300021
710145411013424
oct1352554501555
9316618348014
10100222010221
113955a791723
1217510194611
1395b2802138
144bca7322bb
152918990681
hex1755b2836d

100222010221 has 8 divisors (see below), whose sum is σ = 100984860704. Its totient is φ = 99460735920.

The previous prime is 100222010219. The next prime is 100222010309. The reversal of 100222010221 is 122010222001.

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 100222010221 - 21 = 100222010219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100222010921) 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, 266235 + ... + 520888.

It is an arithmetic number, because the mean of its divisors is an integer number (12623107588).

Almost surely, 2100222010221 is an apocalyptic number.

It is an amenable number.

100222010221 is a deficient number, since it is larger than the sum of its proper divisors (762850483).

100222010221 is an equidigital number, since it uses as much as digits as its factorization.

100222010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788091.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 100222010221 its reverse (122010222001), we get a palindrome (222232232222).

The spelling of 100222010221 in words is "one hundred billion, two hundred twenty-two million, ten thousand, two hundred twenty-one".

Divisors: 1 157 811 127327 787123 123578311 638356753 100222010221