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13101121221101 = 67195539122703
BaseRepresentation
bin1011111010100101011110…
…1011010011000111101101
31201101110021122220210201122
42332221113223103013231
53204122044013033401
643510323315150325
72521344665656154
oct276512753230755
951343248823648
1013101121221101
1141a1177424901
121577102ba53a5
137405798689a4
14334151d4a59b
1517abcc04a21b
hexbea57ad31ed

13101121221101 has 4 divisors (see below), whose sum is σ = 13296660343872. Its totient is φ = 12905582098332.

The previous prime is 13101121221079. The next prime is 13101121221107. The reversal of 13101121221101 is 10112212110131.

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 not a de Polignac number, because 13101121221101 - 234 = 13083941351917 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 13101121221101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13101121221107) 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, 97769561285 + ... + 97769561418.

It is an arithmetic number, because the mean of its divisors is an integer number (3324165085968).

Almost surely, 213101121221101 is an apocalyptic number.

It is an amenable number.

13101121221101 is a deficient number, since it is larger than the sum of its proper divisors (195539122771).

13101121221101 is an equidigital number, since it uses as much as digits as its factorization.

13101121221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195539122770.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 13101121221101 its reverse (10112212110131), we get a palindrome (23213333331232).

The spelling of 13101121221101 in words is "thirteen trillion, one hundred one billion, one hundred twenty-one million, two hundred twenty-one thousand, one hundred one".

Divisors: 1 67 195539122703 13101121221101