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102000221222 = 251000110611
BaseRepresentation
bin101111011111110101…
…1111101110000100110
3100202021120102002221012
41132333223331300212
53132344024034342
6114505214422222
710240442401154
oct1367753756046
9322246362835
10102000221222
113a292513999
1217927801972
1398070336b3
144d189763d4
1529beb42b82
hex17bfafdc26

102000221222 has 4 divisors (see below), whose sum is σ = 153000331836. Its totient is φ = 51000110610.

The previous prime is 102000221179. The next prime is 102000221251. The reversal of 102000221222 is 222122000201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222122000201 = 415417609761.

It is a junction number, because it is equal to n+sod(n) for n = 102000221197 and 102000221206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25500055304 + ... + 25500055307.

It is an arithmetic number, because the mean of its divisors is an integer number (38250082959).

Almost surely, 2102000221222 is an apocalyptic number.

102000221222 is a deficient number, since it is larger than the sum of its proper divisors (51000110614).

102000221222 is an equidigital number, since it uses as much as digits as its factorization.

102000221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51000110613.

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

Adding to 102000221222 its reverse (222122000201), we get a palindrome (324122221423).

The spelling of 102000221222 in words is "one hundred two billion, two hundred twenty-one thousand, two hundred twenty-two".

Divisors: 1 2 51000110611 102000221222