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210111201001 = 1326683605719
BaseRepresentation
bin1100001110101110011…
…0100111111011101001
3202002100000021220201101
43003223212213323221
511420301431413001
6240305044121401
721115515512062
oct3035346477351
9662300256641
10210111201001
1181120328169
1234879996261
1316a76072550
14a252d0d569
1556eae9aa01
hex30eb9a7ee9

210111201001 has 8 divisors (see below), whose sum is σ = 226282454720. Its totient is φ = 193941212112.

The previous prime is 210111200993. The next prime is 210111201017. The reversal of 210111201001 is 100102111012.

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 210111201001 - 23 = 210111200993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210111201401) 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, 44020 + ... + 649738.

It is an arithmetic number, because the mean of its divisors is an integer number (28285306840).

Almost surely, 2210111201001 is an apocalyptic number.

It is an amenable number.

210111201001 is a deficient number, since it is larger than the sum of its proper divisors (16171253719).

210111201001 is a wasteful number, since it uses less digits than its factorization.

210111201001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632415.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 210111201001 its reverse (100102111012), we get a palindrome (310213312013).

The spelling of 210111201001 in words is "two hundred ten billion, one hundred eleven million, two hundred one thousand, one".

Divisors: 1 13 26683 346879 605719 7874347 16162400077 210111201001