Search a number
-
+
101333221 = 1129794021
BaseRepresentation
bin1100000101000…
…11100011100101
321001200021001021
412002203203211
5201420130341
614015531141
72340214063
oct602434345
9231607037
10101333221
1152222170
1229b29ab1
1317cbc5b2
14d65b033
158d699d1
hex60a38e5

101333221 has 16 divisors (see below), whose sum is σ = 115833600. Its totient is φ = 87796800.

The previous prime is 101333201. The next prime is 101333227. The reversal of 101333221 is 122333101.

It is a cyclic number.

It is not a de Polignac number, because 101333221 - 29 = 101332709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101333195 and 101333204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101333227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23191 + ... + 27211.

It is an arithmetic number, because the mean of its divisors is an integer number (7239600).

Almost surely, 2101333221 is an apocalyptic number.

101333221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

101333221 is a deficient number, since it is larger than the sum of its proper divisors (14500379).

101333221 is a wasteful number, since it uses less digits than its factorization.

101333221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4140.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 101333221 is about 10066.4403341002. The cubic root of 101333221 is about 466.2125382049.

Adding to 101333221 its reverse (122333101), we get a palindrome (223666322).

The spelling of 101333221 in words is "one hundred one million, three hundred thirty-three thousand, two hundred twenty-one".

Divisors: 1 11 29 79 319 869 2291 4021 25201 44231 116609 317659 1282699 3494249 9212111 101333221