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121003100222 = 260501550111
BaseRepresentation
bin111000010110001011…
…0001100100000111110
3102120022220200101022112
41300230112030200332
53440303243201342
6131331004214022
711512366244564
oct1605426144076
9376286611275
10121003100222
1147354106174
121b54b83a312
13b544c6b6b4
145bdc65da34
15323309a682
hex1c2c58c83e

121003100222 has 4 divisors (see below), whose sum is σ = 181504650336. Its totient is φ = 60501550110.

The previous prime is 121003100221. The next prime is 121003100263. The reversal of 121003100222 is 222001300121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222001300121 = 1329716695593.

It is a junction number, because it is equal to n+sod(n) for n = 121003100197 and 121003100206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121003100221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30250775054 + ... + 30250775057.

It is an arithmetic number, because the mean of its divisors is an integer number (45376162584).

Almost surely, 2121003100222 is an apocalyptic number.

121003100222 is a deficient number, since it is larger than the sum of its proper divisors (60501550114).

121003100222 is an equidigital number, since it uses as much as digits as its factorization.

121003100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60501550113.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 121003100222 its reverse (222001300121), we get a palindrome (343004400343).

The spelling of 121003100222 in words is "one hundred twenty-one billion, three million, one hundred thousand, two hundred twenty-two".

Divisors: 1 2 60501550111 121003100222