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121020002201 = 722776161109
BaseRepresentation
bin111000010110101011…
…0101010111110011001
3102120101002111002110202
41300231112222332121
53440322110032301
6131332410351545
711512663021520
oct1605526527631
9376332432422
10121020002201
11473626aa94a
121b55542b5b5
13b548608977
145c009bd4b7
1532347d866b
hex1c2d5aaf99

121020002201 has 8 divisors (see below), whose sum is σ = 138917864640. Its totient is φ = 103274462448.

The previous prime is 121020002189. The next prime is 121020002231. The reversal of 121020002201 is 102200020121.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 121020002201 - 26 = 121020002137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121020002231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38078966 + ... + 38082143.

It is an arithmetic number, because the mean of its divisors is an integer number (17364733080).

Almost surely, 2121020002201 is an apocalyptic number.

It is an amenable number.

121020002201 is a deficient number, since it is larger than the sum of its proper divisors (17897862439).

121020002201 is an equidigital number, since it uses as much as digits as its factorization.

121020002201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76161343.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 121020002201 its reverse (102200020121), we get a palindrome (223220022322).

The spelling of 121020002201 in words is "one hundred twenty-one billion, twenty million, two thousand, two hundred one".

Divisors: 1 7 227 1589 76161109 533127763 17288571743 121020002201