Search a number
-
+
120110022101221 = 994912072572329
BaseRepresentation
bin11011010011110101001011…
…001100111000100011100101
3120202021101221221202212111021
4123103311023030320203211
5111220340311124214341
61103241441000211141
734204443213464515
oct3323651314704345
9522241857685437
10120110022101221
11352a841323a299
121157a163469ab1
135203432394509
1421934db167845
15dd450d6669d1
hex6d3d4b3388e5

120110022101221 has 4 divisors (see below), whose sum is σ = 120122094683500. Its totient is φ = 120097949518944.

The previous prime is 120110022101213. The next prime is 120110022101233. The reversal of 120110022101221 is 122101220011021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 78610477725025 + 41499544376196 = 8866255^2 + 6442014^2 .

It is a cyclic number.

It is not a de Polignac number, because 120110022101221 - 23 = 120110022101213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120110022101195 and 120110022101204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120110022101521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6036276216 + ... + 6036296113.

It is an arithmetic number, because the mean of its divisors is an integer number (30030523670875).

Almost surely, 2120110022101221 is an apocalyptic number.

It is an amenable number.

120110022101221 is a deficient number, since it is larger than the sum of its proper divisors (12072582279).

120110022101221 is an equidigital number, since it uses as much as digits as its factorization.

120110022101221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12072582278.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 120110022101221 its reverse (122101220011021), we get a palindrome (242211242112242).

The spelling of 120110022101221 in words is "one hundred twenty trillion, one hundred ten billion, twenty-two million, one hundred one thousand, two hundred twenty-one".

Divisors: 1 9949 12072572329 120110022101221