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1001202221210 = 25100120222121
BaseRepresentation
bin11101001000111000100…
…11011000000010011010
310112201021111121120221112
432210130103120002122
5112400430232034320
62043540154140322
7132222503315102
oct16443423300232
93481244546845
101001202221210
11356675609544
121420587216a2
137354a38a039
143665bd94202
151b09c08eec5
hexe91c4d809a

1001202221210 has 8 divisors (see below), whose sum is σ = 1802163998196. Its totient is φ = 400480888480.

The previous prime is 1001202221209. The next prime is 1001202221213. The reversal of 1001202221210 is 121222021001.

It can be written as a sum of positive squares in 2 ways, for example, as 996381279721 + 4820941489 = 998189^2 + 69433^2 .

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 (1001202221213) 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, 50060111051 + ... + 50060111070.

Almost surely, 21001202221210 is an apocalyptic number.

1001202221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1001202221210 is a deficient number, since it is larger than the sum of its proper divisors (800961776986).

1001202221210 is a wasteful number, since it uses less digits than its factorization.

1001202221210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100120222128.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1001202221210 its reverse (121222021001), we get a palindrome (1122424242211).

The spelling of 1001202221210 in words is "one trillion, one billion, two hundred two million, two hundred twenty-one thousand, two hundred ten".

Divisors: 1 2 5 10 100120222121 200240444242 500601110605 1001202221210