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2211211001011 = 191131029907313
BaseRepresentation
bin100000001011010110011…
…100100011110010110011
321211101112002121101200011
4200023112130203302303
5242212030004013021
64411452153435351
7315516604251145
oct40132634436263
97741462541604
102211211001011
11782850a66a81
122b866a10bb57
1313069341754c
1479047888c95
153c7ba7bede1
hex202d6723cb3

2211211001011 has 8 divisors (see below), whose sum is σ = 2348188675920. Its totient is φ = 2076293140992.

The previous prime is 2211211000987. The next prime is 2211211001071. The reversal of 2211211001011 is 1101001121122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2211211001011 - 213 = 2211210992819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2211211000982 and 2211211001000.

It is not an unprimeable number, because it can be changed into a prime (2211211001071) 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, 514951510 + ... + 514955803.

It is an arithmetic number, because the mean of its divisors is an integer number (293523584490).

Almost surely, 22211211001011 is an apocalyptic number.

2211211001011 is a deficient number, since it is larger than the sum of its proper divisors (136977674909).

2211211001011 is a wasteful number, since it uses less digits than its factorization.

2211211001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029907445.

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

Adding to 2211211001011 its reverse (1101001121122), we get a palindrome (3312212122133).

The spelling of 2211211001011 in words is "two trillion, two hundred eleven billion, two hundred eleven million, one thousand, eleven".

Divisors: 1 19 113 2147 1029907313 19568238947 116379526369 2211211001011