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201021111000211 = 2312270171230457
BaseRepresentation
bin101101101101001111011111…
…111010011101110010010011
3222100202102121212010102002011
4231231033133322131302103
5202322012213404001321
61551311453514003351
760225203345520235
oct5555173772356223
9870672555112064
10201021111000211
1159062635606157
121a6672a3416557
138822295164c08
14378d68bb16255
151839048d7bae1
hexb6d3dfe9dc93

201021111000211 has 8 divisors (see below), whose sum is σ = 209762871780384. Its totient is φ = 192279492926400.

The previous prime is 201021111000197. The next prime is 201021111000247. The reversal of 201021111000211 is 112000111120102.

It is a happy number.

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 201021111000211 - 219 = 201021110475923 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201021111000191 and 201021111000200.

It is not an unprimeable number, because it can be changed into a prime (201021111000251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32793106 + ... + 38437351.

It is an arithmetic number, because the mean of its divisors is an integer number (26220358972548).

Almost surely, 2201021111000211 is an apocalyptic number.

201021111000211 is a deficient number, since it is larger than the sum of its proper divisors (8741760780173).

201021111000211 is a wasteful number, since it uses less digits than its factorization.

201021111000211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71353181.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 201021111000211 its reverse (112000111120102), we get a palindrome (313021222120313).

The spelling of 201021111000211 in words is "two hundred one trillion, twenty-one billion, one hundred eleven million, two hundred eleven", and thus it is an aban number.

Divisors: 1 23 122701 2822123 71230457 1638300511 8740048304357 201021111000211