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101141122421 = 711424522851
BaseRepresentation
bin101111000110001111…
…0110000110101110101
3100200001200212100221002
41132030132300311311
53124114111404141
6114244045133045
710210241233013
oct1361436606565
9320050770832
10101141122421
1139991588289
1217727b5a185
1396cb05ab01
144c768258b3
15296e4e4e9b
hex178c7b0d75

101141122421 has 4 divisors (see below), whose sum is σ = 102565645344. Its totient is φ = 99716599500.

The previous prime is 101141122393. The next prime is 101141122427. The reversal of 101141122421 is 124221141101.

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, and also an emirpimes, since its reverse is a distinct semiprime: 124221141101 = 311399424891.

It is a cyclic number.

It is not a de Polignac number, because 101141122421 - 222 = 101136928117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101141122393 and 101141122402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101141122427) 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, 712261355 + ... + 712261496.

It is an arithmetic number, because the mean of its divisors is an integer number (25641411336).

Almost surely, 2101141122421 is an apocalyptic number.

It is an amenable number.

101141122421 is a deficient number, since it is larger than the sum of its proper divisors (1424522923).

101141122421 is an equidigital number, since it uses as much as digits as its factorization.

101141122421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424522922.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 101141122421 its reverse (124221141101), we get a palindrome (225362263522).

The spelling of 101141122421 in words is "one hundred one billion, one hundred forty-one million, one hundred twenty-two thousand, four hundred twenty-one".

Divisors: 1 71 1424522851 101141122421