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11021212010201 = 31256320370307
BaseRepresentation
bin1010000001100001001101…
…1011010100011011011001
31110000121200012210102222212
42200120103123110123121
52421032420233311301
635235024102324505
72215153623246551
oct240302333243331
943017605712885
1011021212010201
11356a084948158
12129bb99729735
1361c3acc39993
142a16027d6161
15141a48a344bb
hexa06136d46d9

11021212010201 has 12 divisors (see below), whose sum is σ = 11408431736016. Its totient is φ = 10646744133960.

The previous prime is 11021212010023. The next prime is 11021212010203. The reversal of 11021212010201 is 10201021212011.

It is not a de Polignac number, because 11021212010201 - 226 = 11021144901337 is a prime.

It is a super-2 number, since 2×110212120102012 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11021212010203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9644111 + ... + 10726196.

It is an arithmetic number, because the mean of its divisors is an integer number (950702644668).

Almost surely, 211021212010201 is an apocalyptic number.

It is an amenable number.

11021212010201 is a deficient number, since it is larger than the sum of its proper divisors (387219725815).

11021212010201 is an equidigital number, since it uses as much as digits as its factorization.

11021212010201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20370932 (or 20370901 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11021212010201 its reverse (10201021212011), we get a palindrome (21222233222212).

The spelling of 11021212010201 in words is "eleven trillion, twenty-one billion, two hundred twelve million, ten thousand, two hundred one".

Divisors: 1 31 563 961 17453 541043 20370307 631479517 11468482841 19575865027 355522968071 11021212010201