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102201334421 = 153916640331
BaseRepresentation
bin101111100101110101…
…1001001101010010101
3100202210120211201101012
41133023223021222111
53133302020200141
6114541201142005
710245434003054
oct1371353115225
9322716751335
10102201334421
113a385a9724a
121798302a905
1398398ba5a4
144d3756839b
1529d261bceb
hex17cbac9a95

102201334421 has 4 divisors (see below), whose sum is σ = 102207990144. Its totient is φ = 102194678700.

The previous prime is 102201334387. The next prime is 102201334423. The reversal of 102201334421 is 124433102201.

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: 124433102201 = 215357795217.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102201334421 is a prime.

It is a super-2 number, since 2×1022013344212 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102201334423) 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, 3304775 + ... + 3335556.

It is an arithmetic number, because the mean of its divisors is an integer number (25551997536).

Almost surely, 2102201334421 is an apocalyptic number.

It is an amenable number.

102201334421 is a deficient number, since it is larger than the sum of its proper divisors (6655723).

102201334421 is an equidigital number, since it uses as much as digits as its factorization.

102201334421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6655722.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 102201334421 its reverse (124433102201), we get a palindrome (226634436622).

The spelling of 102201334421 in words is "one hundred two billion, two hundred one million, three hundred thirty-four thousand, four hundred twenty-one".

Divisors: 1 15391 6640331 102201334421