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10211210011 = 11497888163
BaseRepresentation
bin10011000001010001…
…01011001100011011
3222100122012012210101
421200220223030123
5131403032210021
64405125400231
7511020565402
oct114050531433
928318165711
1010211210011
11436aa64242
121b8b869077
13c6969b002
146cc222639
153eb6cda91
hex260a2b31b

10211210011 has 4 divisors (see below), whose sum is σ = 10212109672. Its totient is φ = 10210310352.

The previous prime is 10211210003. The next prime is 10211210027. The reversal of 10211210011 is 11001211201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11001211201 = 70271565563.

It is a cyclic number.

It is not a de Polignac number, because 10211210011 - 23 = 10211210003 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10211210011.

It is not an unprimeable number, because it can be changed into a prime (10211210081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432585 + ... + 455578.

It is an arithmetic number, because the mean of its divisors is an integer number (2553027418).

Almost surely, 210211210011 is an apocalyptic number.

10211210011 is a deficient number, since it is larger than the sum of its proper divisors (899661).

10211210011 is an equidigital number, since it uses as much as digits as its factorization.

10211210011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899660.

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

Adding to 10211210011 its reverse (11001211201), we get a palindrome (21212421212).

The spelling of 10211210011 in words is "ten billion, two hundred eleven million, two hundred ten thousand, eleven".

Divisors: 1 11497 888163 10211210011