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102222220001 = 119292929091
BaseRepresentation
bin101111100110011101…
…0110100101011100001
3100202212001010211000012
41133030322310223201
53133322342020001
6114543224534305
710246106351006
oct1371472645341
9322761124005
10102222220001
113a396861960
121798a021395
139841020b15
144d3a2438ad
1529d43952bb
hex17cceb4ae1

102222220001 has 4 divisors (see below), whose sum is σ = 111515149104. Its totient is φ = 92929290900.

The previous prime is 102222219991. The next prime is 102222220013. The reversal of 102222220001 is 100022222201.

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 102222220001 - 218 = 102221957857 is a prime.

It is a super-5 number, since 5×1022222200015 (a number of 56 digits) contains 55555 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102222229001) 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, 4646464535 + ... + 4646464556.

It is an arithmetic number, because the mean of its divisors is an integer number (27878787276).

Almost surely, 2102222220001 is an apocalyptic number.

102222220001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102222220001 is a deficient number, since it is larger than the sum of its proper divisors (9292929103).

102222220001 is an equidigital number, since it uses as much as digits as its factorization.

102222220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9292929102.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 102222220001 its reverse (100022222201), we get a palindrome (202244442202).

It can be divided in two parts, 102222 and 220001, that added together give a palindrome (322223).

The spelling of 102222220001 in words is "one hundred two billion, two hundred twenty-two million, two hundred twenty thousand, one".

Divisors: 1 11 9292929091 102222220001