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210011211211 = 7322367128621
BaseRepresentation
bin1100001110010110100…
…1001100010111001011
3202002002001010220111211
43003211221030113023
511420100332224321
6240251113033551
721113162561464
oct3034551142713
9662061126454
10210011211211
118107994337a
12348503b58b7
1316a5b4335a9
14a243921d6b
1556e22e90e1
hex30e5a4c5cb

210011211211 has 8 divisors (see below), whose sum is σ = 212899250304. Its totient is φ = 207123474240.

The previous prime is 210011211191. The next prime is 210011211247. The reversal of 210011211211 is 112112110012.

It is a happy number.

210011211211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 210011211211 - 29 = 210011210699 is a prime.

It is a super-2 number, since 2×2100112112112 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210011211191 and 210011211200.

It is not an unprimeable number, because it can be changed into a prime (210011241211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1568481 + ... + 1697101.

It is an arithmetic number, because the mean of its divisors is an integer number (26612406288).

Almost surely, 2210011211211 is an apocalyptic number.

210011211211 is a deficient number, since it is larger than the sum of its proper divisors (2888039093).

210011211211 is a wasteful number, since it uses less digits than its factorization.

210011211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151061.

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

Adding to 210011211211 its reverse (112112110012), we get a palindrome (322123321223).

The spelling of 210011211211 in words is "two hundred ten billion, eleven million, two hundred eleven thousand, two hundred eleven".

Divisors: 1 73 22367 128621 1632791 9389333 2876865907 210011211211