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120102021200101 = 667359117996611
BaseRepresentation
bin11011010011101101101110…
…010011110111100011100101
3120202020122022100122222111011
4123103231232103313203211
5111220222414411400401
61103234035025142221
734204041022112263
oct3323555623674345
9522218270588434
10120102021200101
11352a4a87a06916
12115786aba8a971
1352027588c71b5
142192d7c707433
15dd41e103e451
hex6d3b6e4f78e5

120102021200101 has 4 divisors (see below), whose sum is σ = 120102045870304. Its totient is φ = 120101996529900.

The previous prime is 120102021200069. The next prime is 120102021200137. The reversal of 120102021200101 is 101002120201021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 120102021200101 - 25 = 120102021200069 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 (120102021200191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2324715 + ... + 15671896.

It is an arithmetic number, because the mean of its divisors is an integer number (30025511467576).

Almost surely, 2120102021200101 is an apocalyptic number.

It is an amenable number.

120102021200101 is a deficient number, since it is larger than the sum of its proper divisors (24670203).

120102021200101 is an equidigital number, since it uses as much as digits as its factorization.

120102021200101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24670202.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120102021200101 its reverse (101002120201021), we get a palindrome (221104141401122).

The spelling of 120102021200101 in words is "one hundred twenty trillion, one hundred two billion, twenty-one million, two hundred thousand, one hundred one".

Divisors: 1 6673591 17996611 120102021200101