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11102120012201 = 15221972935179
BaseRepresentation
bin1010000110001110100111…
…1010110110100110101001
31110022100111211110210120112
42201203221322312212221
52423344120210342301
635340124333504105
72224046612025401
oct241435172664651
943270454423515
1011102120012201
1135a0423351609
1212b37b9642035
13626c0520a48a
142a54b9db1801
15143bd1ab09bb
hexa18e9eb69a9

11102120012201 has 4 divisors (see below), whose sum is σ = 11102193099600. Its totient is φ = 11102046924804.

The previous prime is 11102120012167. The next prime is 11102120012213. The reversal of 11102120012201 is 10221002120111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11102120012201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11102120012281) 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 3 ways as a sum of consecutive naturals, for example, 36315371 + ... + 36619808.

It is an arithmetic number, because the mean of its divisors is an integer number (2775548274900).

Almost surely, 211102120012201 is an apocalyptic number.

It is an amenable number.

11102120012201 is a deficient number, since it is larger than the sum of its proper divisors (73087399).

11102120012201 is an equidigital number, since it uses as much as digits as its factorization.

11102120012201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73087398.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11102120012201 its reverse (10221002120111), we get a palindrome (21323122132312).

The spelling of 11102120012201 in words is "eleven trillion, one hundred two billion, one hundred twenty million, twelve thousand, two hundred one".

Divisors: 1 152219 72935179 11102120012201