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102000220221001 = 612849116643611
BaseRepresentation
bin10111001100010011000110…
…111001001010111001001001
3111101011010101201112202200011
4113030103012321022321021
5101332132422334033001
61000534130531511521
730325162354404124
oct2714230671127111
9441133351482604
10102000220221001
112a5560611a1293
12b5343ab4585a1
1344bb76c1c44ab
141b28ba0a293bb
15bbd3d6c9cd51
hex5cc4c6e4ae49

102000220221001 has 4 divisors (see below), whose sum is σ = 102000242993104. Its totient is φ = 102000197448900.

The previous prime is 102000220220903. The next prime is 102000220221007. The reversal of 102000220221001 is 100122022000201.

It is a happy number.

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 102000220221001 - 29 = 102000220220489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102000220221007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2193315 + ... + 14450296.

It is an arithmetic number, because the mean of its divisors is an integer number (25500060748276).

Almost surely, 2102000220221001 is an apocalyptic number.

It is an amenable number.

102000220221001 is a deficient number, since it is larger than the sum of its proper divisors (22772103).

102000220221001 is an equidigital number, since it uses as much as digits as its factorization.

102000220221001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22772102.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 102000220221001 its reverse (100122022000201), we get a palindrome (202122242221202).

The spelling of 102000220221001 in words is "one hundred two trillion, two hundred twenty million, two hundred twenty-one thousand, one".

Divisors: 1 6128491 16643611 102000220221001