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1001201022231 = 3973440553341
BaseRepresentation
bin11101001000111000011…
…10110011010100010111
310112201021102100200020220
432210130032303110113
5112400424430202411
62043540112325423
7132222460162404
oct16443416632427
93481242320226
101001201022231
1135667496a753
12142058243873
137354a05a397
143665bb612ab
151b09be04b06
hexe91c3b3517

1001201022231 has 8 divisors (see below), whose sum is σ = 1348696910064. Its totient is φ = 660586241280.

The previous prime is 1001201022203. The next prime is 1001201022233. The reversal of 1001201022231 is 1322201021001.

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

It is not a de Polignac number, because 1001201022231 - 210 = 1001201021207 is a prime.

It is a super-2 number, since 2×10012010222312 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1001201022231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001201022233) 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, 1720276380 + ... + 1720276961.

It is an arithmetic number, because the mean of its divisors is an integer number (168587113758).

Almost surely, 21001201022231 is an apocalyptic number.

1001201022231 is a deficient number, since it is larger than the sum of its proper divisors (347495887833).

1001201022231 is an equidigital number, since it uses as much as digits as its factorization.

1001201022231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3440553441.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1001201022231 its reverse (1322201021001), we get a palindrome (2323402043232).

The spelling of 1001201022231 in words is "one trillion, one billion, two hundred one million, twenty-two thousand, two hundred thirty-one".

Divisors: 1 3 97 291 3440553341 10321660023 333733674077 1001201022231