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121010121201 = 351897773503
BaseRepresentation
bin111000010110011000…
…0111110100111110001
3102120100101220002021210
41300230300332213301
53440312042334301
6131331414510333
711512513026114
oct1605460764761
9376311802253
10121010121201
1147358071132
121b5520653a9
13b546559318
145bdd56a57b
1532339d5ad6
hex1c2cc3e9f1

121010121201 has 8 divisors (see below), whose sum is σ = 161377943040. Its totient is φ = 80657856752.

The previous prime is 121010121121. The next prime is 121010121209. The reversal of 121010121201 is 102121010121.

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 121010121201 - 210 = 121010120177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121010121209) 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, 3871185 + ... + 3902318.

It is an arithmetic number, because the mean of its divisors is an integer number (20172242880).

Almost surely, 2121010121201 is an apocalyptic number.

It is an amenable number.

121010121201 is a deficient number, since it is larger than the sum of its proper divisors (40367821839).

121010121201 is an equidigital number, since it uses as much as digits as its factorization.

121010121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7778695.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 121010121201 its reverse (102121010121), we get a palindrome (223131131322).

The spelling of 121010121201 in words is "one hundred twenty-one billion, ten million, one hundred twenty-one thousand, two hundred one".

Divisors: 1 3 5189 15567 7773503 23320509 40336707067 121010121201