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101012221210 = 2510101222121
BaseRepresentation
bin101111000010011001…
…1000010110100011010
3100122201201022111201011
41132010303002310122
53123333112034320
6114223202244134
710204114466515
oct1360463026432
9318651274634
10101012221210
113992584695a
12176b095664a
1396aa4384c4
144c6366dd7c
15296303205a
hex1784cc2d1a

101012221210 has 8 divisors (see below), whose sum is σ = 181821998196. Its totient is φ = 40404888480.

The previous prime is 101012221183. The next prime is 101012221217. The reversal of 101012221210 is 12122210101.

It can be written as a sum of positive squares in 2 ways, for example, as 89953805929 + 11058415281 = 299923^2 + 105159^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (101012221217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5050611051 + ... + 5050611070.

Almost surely, 2101012221210 is an apocalyptic number.

101012221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101012221210 is a deficient number, since it is larger than the sum of its proper divisors (80809776986).

101012221210 is a wasteful number, since it uses less digits than its factorization.

101012221210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10101222128.

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

Adding to 101012221210 its reverse (12122210101), we get a palindrome (113134431311).

The spelling of 101012221210 in words is "one hundred one billion, twelve million, two hundred twenty-one thousand, two hundred ten".

Divisors: 1 2 5 10 10101222121 20202444242 50506110605 101012221210