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102011220122 = 277286515723
BaseRepresentation
bin101111100000001010…
…1111011000010011010
3100202022100002220120212
41133000111323002122
53132404333020442
6114510250251122
710240635031010
oct1370025730232
9322270086525
10102011220122
113a298746599
121792b426aa2
1398093b4b16
144d1a1da8b0
1529c0ab6a82
hex17c057b09a

102011220122 has 8 divisors (see below), whose sum is σ = 174876377376. Its totient is φ = 43719094332.

The previous prime is 102011220121. The next prime is 102011220131. The reversal of 102011220122 is 221022110201.

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

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 7286515723 = 102011220122 / (1 + 0 + 2 + 0 + 1 + 1 + 2 + 2 + 0 + 1 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 102011220097 and 102011220106.

It is not an unprimeable number, because it can be changed into a prime (102011220121) 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, 3643257848 + ... + 3643257875.

It is an arithmetic number, because the mean of its divisors is an integer number (21859547172).

Almost surely, 2102011220122 is an apocalyptic number.

102011220122 is a deficient number, since it is larger than the sum of its proper divisors (72865157254).

102011220122 is an equidigital number, since it uses as much as digits as its factorization.

102011220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7286515732.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102011220122 its reverse (221022110201), we get a palindrome (323033330323).

The spelling of 102011220122 in words is "one hundred two billion, eleven million, two hundred twenty thousand, one hundred twenty-two".

Divisors: 1 2 7 14 7286515723 14573031446 51005610061 102011220122