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11020102121 = 77732036611
BaseRepresentation
bin10100100001101100…
…10110100111101001
31001110000021012011102
422100312112213221
5140032121231441
65021303011145
7540042215420
oct122066264751
931400235142
1011020102121
114745618916
122176739ab5
1310681453b2
147678242b7
1544771069b
hex290d969e9

11020102121 has 8 divisors (see below), whose sum is σ = 12610701504. Its totient is φ = 9433577520.

The previous prime is 11020102097. The next prime is 11020102129. The reversal of 11020102121 is 12120102011.

11020102121 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 11020102121 - 214 = 11020085737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11020102129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1012895 + ... + 1023716.

It is an arithmetic number, because the mean of its divisors is an integer number (1576337688).

Almost surely, 211020102121 is an apocalyptic number.

It is an amenable number.

11020102121 is a deficient number, since it is larger than the sum of its proper divisors (1590599383).

11020102121 is an equidigital number, since it uses as much as digits as its factorization.

11020102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2037391.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11020102121 its reverse (12120102011), we get a palindrome (23140204132).

The spelling of 11020102121 in words is "eleven billion, twenty million, one hundred two thousand, one hundred twenty-one".

Divisors: 1 7 773 5411 2036611 14256277 1574300303 11020102121