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121110110000101 = 1710170535882353
BaseRepresentation
bin11011100010011000100101…
…000101011101001111100101
3120212211000100210121000120101
4123202120211011131033211
5111333232001130000401
61105325114430504101
734336626266405515
oct3342304505351745
9525730323530511
10121110110000101
1135653566840992
12116bbb4a965031
135276832927811
1421c9a91131845
15e00542992101
hex6e262515d3e5

121110110000101 has 8 divisors (see below), whose sum is σ = 129503880001944. Its totient is φ = 112857411763200.

The previous prime is 121110110000069. The next prime is 121110110000123. The reversal of 121110110000101 is 101000011011121.

It can be written as a sum of positive squares in 4 ways, for example, as 82730412331876 + 38379697668225 = 9095626^2 + 6195135^2 .

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 121110110000101 - 25 = 121110110000069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121110110000161) 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, 35267939460 + ... + 35267942893.

It is an arithmetic number, because the mean of its divisors is an integer number (16187985000243).

Almost surely, 2121110110000101 is an apocalyptic number.

It is an amenable number.

121110110000101 is a deficient number, since it is larger than the sum of its proper divisors (8393770001843).

121110110000101 is a wasteful number, since it uses less digits than its factorization.

121110110000101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70535882471.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 121110110000101 its reverse (101000011011121), we get a palindrome (222110121011222).

The spelling of 121110110000101 in words is "one hundred twenty-one trillion, one hundred ten billion, one hundred ten million, one hundred one", and thus it is an aban number.

Divisors: 1 17 101 1717 70535882353 1199110000001 7124124117653 121110110000101