Search a number
-
+
121000102020101 = 3591443412335079
BaseRepresentation
bin11011100000110010001000…
…000110010100010000000101
3120212102111102011011121200202
4123200302020012110100011
5111324431202104120401
61105202402434020245
734325653220120663
oct3340621006242005
9525374364147622
10121000102020101
1135610945140337
12116a2769417685
135269350895625
1421c4616c71c33
15dec754d2006b
hex6e0c88194405

121000102020101 has 8 divisors (see below), whose sum is σ = 121338042249600. Its totient is φ = 120662166750160.

The previous prime is 121000102020059. The next prime is 121000102020229. The reversal of 121000102020101 is 101020201000121.

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 121000102020101 - 26 = 121000102020037 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 (121000102020601) 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, 50650880 + ... + 52985958.

It is an arithmetic number, because the mean of its divisors is an integer number (15167255281200).

Almost surely, 2121000102020101 is an apocalyptic number.

It is an amenable number.

121000102020101 is a deficient number, since it is larger than the sum of its proper divisors (337940229499).

121000102020101 is a wasteful number, since it uses less digits than its factorization.

121000102020101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2479779.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 121000102020101 its reverse (101020201000121), we get a palindrome (222020303020222).

The spelling of 121000102020101 in words is "one hundred twenty-one trillion, one hundred two million, twenty thousand, one hundred one".

Divisors: 1 359 144341 2335079 51818419 838293361 337047637939 121000102020101