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102222221209 = 262140039743
BaseRepresentation
bin101111100110011101…
…0110100111110011001
3100202212001010212122221
41133030322310332121
53133322342034314
6114543224544041
710246106354353
oct1371472647631
9322761125587
10102222221209
113a396862859
121798a022021
139841021534
144d3a2440d3
1529d4395824
hex17cceb4f99

102222221209 has 8 divisors (see below), whose sum is σ = 102297267072. Its totient is φ = 102147208080.

The previous prime is 102222221207. The next prime is 102222221261. The reversal of 102222221209 is 902122222201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 102222221209 - 21 = 102222221207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102222221201) 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 7 ways as a sum of consecutive naturals, for example, 10486992 + ... + 10496734.

It is an arithmetic number, because the mean of its divisors is an integer number (12787158384).

Almost surely, 2102222221209 is an apocalyptic number.

It is an amenable number.

102222221209 is a deficient number, since it is larger than the sum of its proper divisors (75045863).

102222221209 is an equidigital number, since it uses as much as digits as its factorization.

102222221209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16367.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 102222221209 in words is "one hundred two billion, two hundred twenty-two million, two hundred twenty-one thousand, two hundred nine".

Divisors: 1 2621 4003 9743 10491863 25536403 39001229 102222221209