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212011211001 = 3101699706967
BaseRepresentation
bin1100010101110011011…
…0100101100011111001
3202021020102111102110010
43011130312211203321
511433144332223001
6241221400012133
721213556362612
oct3053466454371
9667212442403
10212011211001
1181a0588a867
123510a161049
1316cb98aa815
14a3933bac09
1557acbab8d6
hex315cda58f9

212011211001 has 8 divisors (see below), whose sum is σ = 285480442944. Its totient is φ = 139941393200.

The previous prime is 212011210979. The next prime is 212011211017. The reversal of 212011211001 is 100112110212.

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 212011211001 - 226 = 211944102137 is a prime.

It is a super-2 number, since 2×2120112110012 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212011211101) 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, 349853181 + ... + 349853786.

It is an arithmetic number, because the mean of its divisors is an integer number (35685055368).

Almost surely, 2212011211001 is an apocalyptic number.

It is an amenable number.

212011211001 is a deficient number, since it is larger than the sum of its proper divisors (73469231943).

212011211001 is a wasteful number, since it uses less digits than its factorization.

212011211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699707071.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 212011211001 its reverse (100112110212), we get a palindrome (312123321213).

The spelling of 212011211001 in words is "two hundred twelve billion, eleven million, two hundred eleven thousand, one".

Divisors: 1 3 101 303 699706967 2099120901 70670403667 212011211001