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201010102221 = 382198152253
BaseRepresentation
bin1011101100110100100…
…0101011111111001101
3201012211201222012020210
42323031020223333031
511243132041232341
6232202012033033
720344134451305
oct2731510537715
9635751865223
10201010102221
117827aa64a25
1232b59a62779
1315c556855b6
149a2c2dc605
155366e9dc16
hex2ecd22bfcd

201010102221 has 8 divisors (see below), whose sum is σ = 268046111520. Its totient is φ = 133990413872.

The previous prime is 201010102217. The next prime is 201010102229. The reversal of 201010102221 is 122201010102.

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 201010102221 - 22 = 201010102217 is a prime.

It is a super-2 number, since 2×2010101022212 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 201010102197 and 201010102206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201010102229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4051470 + ... + 4100783.

It is an arithmetic number, because the mean of its divisors is an integer number (33505763940).

Almost surely, 2201010102221 is an apocalyptic number.

It is an amenable number.

201010102221 is a deficient number, since it is larger than the sum of its proper divisors (67036009299).

201010102221 is an equidigital number, since it uses as much as digits as its factorization.

201010102221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8160475.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 201010102221 its reverse (122201010102), we get a palindrome (323211112323).

The spelling of 201010102221 in words is "two hundred one billion, ten million, one hundred two thousand, two hundred twenty-one".

Divisors: 1 3 8219 24657 8152253 24456759 67003367407 201010102221