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121102112101 = 1747151567099
BaseRepresentation
bin111000011001000111…
…1111001010101100101
3102120120210222201002011
41300302033321111211
53441004120041401
6131344502314221
711515010653135
oct1606217712545
9376523881064
10121102112101
11473a4a92273
121b578a28971
13b55c6274c9
145c0b874ac5
15323bb07451
hex1c323f9565

121102112101 has 8 divisors (see below), whose sum is σ = 130953974400. Its totient is φ = 111553384128.

The previous prime is 121102112081. The next prime is 121102112107. The reversal of 121102112101 is 101211201121.

It is a happy number.

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 121102112101 - 213 = 121102103909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121102112107) 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, 75782751 + ... + 75784348.

It is an arithmetic number, because the mean of its divisors is an integer number (16369246800).

Almost surely, 2121102112101 is an apocalyptic number.

It is an amenable number.

121102112101 is a deficient number, since it is larger than the sum of its proper divisors (9851862299).

121102112101 is a wasteful number, since it uses less digits than its factorization.

121102112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151567163.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 121102112101 its reverse (101211201121), we get a palindrome (222313313222).

The spelling of 121102112101 in words is "one hundred twenty-one billion, one hundred two million, one hundred twelve thousand, one hundred one".

Divisors: 1 17 47 799 151567099 2576640683 7123653653 121102112101