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121020211200201 = 31715491531920799
BaseRepresentation
bin11011100001000100110110…
…101100110000000011001001
3120212111102022121010210212220
4123201010312230300003021
5111330243343031401301
61105215530103324253
734330264436253135
oct3341046654600311
9525442277123786
10121020211200201
1135619424260a45
12116a663ba50689
13526b206a79371
1421c55a38583c5
15ded030455936
hex6e1136b300c9

121020211200201 has 16 divisors (see below), whose sum is σ = 170962361280000. Its totient is φ = 75885228649728.

The previous prime is 121020211200193. The next prime is 121020211200211. The reversal of 121020211200201 is 102002112020121.

It is not a de Polignac number, because 121020211200201 - 23 = 121020211200193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121020211200211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 765881401 + ... + 766039398.

It is an arithmetic number, because the mean of its divisors is an integer number (10685147580000).

Almost surely, 2121020211200201 is an apocalyptic number.

It is an amenable number.

121020211200201 is a deficient number, since it is larger than the sum of its proper divisors (49942150079799).

121020211200201 is a wasteful number, since it uses less digits than its factorization.

121020211200201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531922368.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121020211200201 its reverse (102002112020121), we get a palindrome (223022323220322).

The spelling of 121020211200201 in words is "one hundred twenty-one trillion, twenty billion, two hundred eleven million, two hundred thousand, two hundred one".

Divisors: 1 3 17 51 1549 4647 26333 78999 1531920799 4595762397 26042653583 78127960749 2372945317651 7118835952953 40340070400067 121020211200201