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102222221201209 = 191535194875399
BaseRepresentation
bin10111001111100001110111…
…001011101100111100111001
3111101221100102100120001020101
4113033201313023230330321
5101344302102111414314
61001224123511155401
730350211635531434
oct2717416713547471
9441840370501211
10102222221201209
112a631222a3855a
12b56b427075b61
13450668b619845
141b35820a6481b
15bc407b996174
hex5cf8772ecf39

102222221201209 has 4 divisors (see below), whose sum is σ = 102757416076800. Its totient is φ = 101687026325620.

The previous prime is 102222221201189. The next prime is 102222221201249. The reversal of 102222221201209 is 902102122222201.

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 102222221201209 - 231 = 102220073717561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102222221201249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267597437509 + ... + 267597437890.

It is an arithmetic number, because the mean of its divisors is an integer number (25689354019200).

Almost surely, 2102222221201209 is an apocalyptic number.

It is an amenable number.

102222221201209 is a deficient number, since it is larger than the sum of its proper divisors (535194875591).

102222221201209 is an equidigital number, since it uses as much as digits as its factorization.

102222221201209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535194875590.

The product of its (nonzero) digits is 2304, while the sum is 28.

The spelling of 102222221201209 in words is "one hundred two trillion, two hundred twenty-two billion, two hundred twenty-one million, two hundred one thousand, two hundred nine".

Divisors: 1 191 535194875399 102222221201209