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121002122001 = 340841987587
BaseRepresentation
bin111000010110001001…
…0011101101100010001
3102120022211211200110010
41300230102131230101
53440303020401001
6131330531225133
711512355031615
oct1605422355421
9376284750403
10121002122001
11473535a8222
121b54b4481a9
13b5449b8377
145bdc487345
153232e558d6
hex1c2c49db11

121002122001 has 8 divisors (see below), whose sum is σ = 161340276384. Its totient is φ = 80666024480.

The previous prime is 121002121897. The next prime is 121002122009. The reversal of 121002122001 is 100221200121.

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 121002122001 - 213 = 121002113809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121002122009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371271 + ... + 616316.

It is an arithmetic number, because the mean of its divisors is an integer number (20167534548).

Almost surely, 2121002122001 is an apocalyptic number.

It is an amenable number.

121002122001 is a deficient number, since it is larger than the sum of its proper divisors (40338154383).

121002122001 is an equidigital number, since it uses as much as digits as its factorization.

121002122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028431.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 121002122001 its reverse (100221200121), we get a palindrome (221223322122).

The spelling of 121002122001 in words is "one hundred twenty-one billion, two million, one hundred twenty-two thousand, one".

Divisors: 1 3 40841 122523 987587 2962761 40334040667 121002122001