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121001010122001 = 359683621526113
BaseRepresentation
bin11011100000110010111110…
…001110011100110100010001
3120212102120202102220222022110
4123200302332032130310101
5111324440032042401001
61105203032513455533
734326014554632252
oct3340627616346421
9525376672828273
10121001010122001
11356112707a6779
12116a29815715a9
135269466a67929
1421c46a16dab29
15dec7a98ec3d6
hex6e0cbe39cd11

121001010122001 has 8 divisors (see below), whose sum is σ = 164069166267360. Its totient is φ = 79300097028992.

The previous prime is 121001010121991. The next prime is 121001010122029. The reversal of 121001010122001 is 100221010100121.

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 121001010122001 - 223 = 121001001733393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121001010122051) 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, 341810762880 + ... + 341810763233.

It is an arithmetic number, because the mean of its divisors is an integer number (20508645783420).

Almost surely, 2121001010122001 is an apocalyptic number.

It is an amenable number.

121001010122001 is a deficient number, since it is larger than the sum of its proper divisors (43068156145359).

121001010122001 is an equidigital number, since it uses as much as digits as its factorization.

121001010122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683621526175.

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

Adding to 121001010122001 its reverse (100221010100121), we get a palindrome (221222020222122).

The spelling of 121001010122001 in words is "one hundred twenty-one trillion, one billion, ten million, one hundred twenty-two thousand, one".

Divisors: 1 3 59 177 683621526113 2050864578339 40333670040667 121001010122001