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102010301221321 = 514751198174071
BaseRepresentation
bin10111001100011100011111…
…110001001000100111001001
3111101012002102021201122100101
4113030130133301020213021
5101332314044103040241
61000542515130405401
730326000234446453
oct2714343761104711
9441162367648311
10102010301221321
112a55a364700009
12b536343590861
1344bc6b790243c
141b294798352d3
15bbd7c6d0ae31
hex5cc71fc489c9

102010301221321 has 4 divisors (see below), whose sum is σ = 102010499910144. Its totient is φ = 102010102532500.

The previous prime is 102010301221307. The next prime is 102010301221337. The reversal of 102010301221321 is 123122103010201.

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 a de Polignac number, because none of the positive numbers 2k-102010301221321 is a prime.

It is a super-2 number, since 2×1020103012213212 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102010301221351) 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, 98572285 + ... + 99601786.

It is an arithmetic number, because the mean of its divisors is an integer number (25502624977536).

Almost surely, 2102010301221321 is an apocalyptic number.

It is an amenable number.

102010301221321 is a deficient number, since it is larger than the sum of its proper divisors (198688823).

102010301221321 is an equidigital number, since it uses as much as digits as its factorization.

102010301221321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198688822.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 102010301221321 its reverse (123122103010201), we get a palindrome (225132404231522).

The spelling of 102010301221321 in words is "one hundred two trillion, ten billion, three hundred one million, two hundred twenty-one thousand, three hundred twenty-one".

Divisors: 1 514751 198174071 102010301221321