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121012202021113 = 13179209924775381
BaseRepresentation
bin11011100000111101011001…
…010100001010000011111001
3120212110122122102110100122101
4123200331121110022003321
5111330130442204133423
61105212123235023401
734326562114332604
oct3340753124120371
9525418572410571
10121012202021113
1135615a94294177
12116a4b8573ab61
13526a52b671240
1421c5043c8133b
15decc122457ad
hex6e0f5950a0f9

121012202021113 has 16 divisors (see below), whose sum is σ = 131111321544000. Its totient is φ = 111026604104640.

The previous prime is 121012202021083. The next prime is 121012202021197. The reversal of 121012202021113 is 311120202210121.

It is a cyclic number.

It is not a de Polignac number, because 121012202021113 - 233 = 121003612086521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121012202051113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7503318 + ... + 17272063.

It is an arithmetic number, because the mean of its divisors is an integer number (8194457596500).

Almost surely, 2121012202021113 is an apocalyptic number.

121012202021113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

121012202021113 is a deficient number, since it is larger than the sum of its proper divisors (10099119522887).

121012202021113 is a wasteful number, since it uses less digits than its factorization.

121012202021113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24777672.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 121012202021113 its reverse (311120202210121), we get a palindrome (432132404231234).

The spelling of 121012202021113 in words is "one hundred twenty-one trillion, twelve billion, two hundred two million, twenty-one thousand, one hundred thirteen".

Divisors: 1 13 179 2099 2327 27287 375721 4884373 24775381 322079953 4434793199 52003524719 57652311587 676045821347 9308630924701 121012202021113