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120102011321 = 472555361943
BaseRepresentation
bin110111111011010100…
…0110100000110111001
3102111000010010022201112
41233312220310012321
53431432103330241
6131101334530105
711451145152335
oct1576650640671
9374003108645
10120102011321
1146a314aa7a6
121b339b06935
13b4303834b6
145b54adc7c5
1531cde061eb
hex1bf6a341b9

120102011321 has 4 divisors (see below), whose sum is σ = 122657373312. Its totient is φ = 117546649332.

The previous prime is 120102011269. The next prime is 120102011339. The reversal of 120102011321 is 123110201021.

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 120102011321 - 214 = 120101994937 is a prime.

It is a super-2 number, since 2×1201020113212 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120102011296 and 120102011305.

It is not an unprimeable number, because it can be changed into a prime (120102011371) 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, 1277680925 + ... + 1277681018.

It is an arithmetic number, because the mean of its divisors is an integer number (30664343328).

Almost surely, 2120102011321 is an apocalyptic number.

It is an amenable number.

120102011321 is a deficient number, since it is larger than the sum of its proper divisors (2555361991).

120102011321 is an equidigital number, since it uses as much as digits as its factorization.

120102011321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2555361990.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 120102011321 its reverse (123110201021), we get a palindrome (243212212342).

The spelling of 120102011321 in words is "one hundred twenty billion, one hundred two million, eleven thousand, three hundred twenty-one".

Divisors: 1 47 2555361943 120102011321