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121101201201 = 3128603313889
BaseRepresentation
bin111000011001000110…
…0011010111100110001
3102120120202021102120010
41300302030122330301
53441003401414301
6131344431005133
711515000140351
oct1606214327461
9376522242503
10121101201201
11473a451a962
121b5786697a9
13b55c398a06
145c0b6b8b61
15323b9c75d6
hex1c3231af31

121101201201 has 8 divisors (see below), whose sum is σ = 161470038240. Its totient is φ = 80733249152.

The previous prime is 121101201167. The next prime is 121101201209. The reversal of 121101201201 is 102102101121.

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 121101201201 - 210 = 121101200177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121101201209) 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, 228865 + ... + 542753.

It is an arithmetic number, because the mean of its divisors is an integer number (20183754780).

Almost surely, 2121101201201 is an apocalyptic number.

It is an amenable number.

121101201201 is a deficient number, since it is larger than the sum of its proper divisors (40368837039).

121101201201 is a wasteful number, since it uses less digits than its factorization.

121101201201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442495.

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

Adding to 121101201201 its reverse (102102101121), we get a palindrome (223203302322).

The spelling of 121101201201 in words is "one hundred twenty-one billion, one hundred one million, two hundred one thousand, two hundred one".

Divisors: 1 3 128603 313889 385809 941667 40367067067 121101201201