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101141422121 = 325731053553
BaseRepresentation
bin101111000110001111…
…1111010000000101001
3100200001201102121001002
41132030133322000221
53124114201001441
6114244055404345
710210243621535
oct1361437720051
9320051377032
10101141422121
1139991772473
12177280836b5
1396cb13434c
144c768a2bc5
15296e553b9b
hex178c7fa029

101141422121 has 4 divisors (see below), whose sum is σ = 101172478932. Its totient is φ = 101110365312.

The previous prime is 101141422099. The next prime is 101141422127. The reversal of 101141422121 is 121224141101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 66522726400 + 34618695721 = 257920^2 + 186061^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-101141422121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101141422093 and 101141422102.

It is not an unprimeable number, because it can be changed into a prime (101141422127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15523520 + ... + 15530033.

It is an arithmetic number, because the mean of its divisors is an integer number (25293119733).

Almost surely, 2101141422121 is an apocalyptic number.

It is an amenable number.

101141422121 is a deficient number, since it is larger than the sum of its proper divisors (31056811).

101141422121 is an equidigital number, since it uses as much as digits as its factorization.

101141422121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31056810.

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

Adding to 101141422121 its reverse (121224141101), we get a palindrome (222365563222).

The spelling of 101141422121 in words is "one hundred one billion, one hundred forty-one million, four hundred twenty-two thousand, one hundred twenty-one".

Divisors: 1 3257 31053553 101141422121