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121013303222131 = 849829142397239
BaseRepresentation
bin11011100000111110011010…
…111100111001111101110011
3120212110202111011120011110021
4123200332122330321331303
5111330140221111102011
61105212424413344311
734326631315360315
oct3340763274717563
9525422434504407
10121013303222131
11356164a9949861
12116a5232498097
13526a675852788
1421c510a2137b5
15decc78c67471
hex6e0f9af39f73

121013303222131 has 4 divisors (see below), whose sum is σ = 121013446469200. Its totient is φ = 121013159975064.

The previous prime is 121013303222111. The next prime is 121013303222137. The reversal of 121013303222131 is 131222303310121.

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

It is a cyclic number.

It is not a de Polignac number, because 121013303222131 - 25 = 121013303222099 is a prime.

It is a super-2 number, since 2×1210133032221312 (a number of 29 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 = 121013303222096 and 121013303222105.

It is not an unprimeable number, because it can be changed into a prime (121013303222137) 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, 70348791 + ... + 72048448.

It is an arithmetic number, because the mean of its divisors is an integer number (30253361617300).

Almost surely, 2121013303222131 is an apocalyptic number.

121013303222131 is a deficient number, since it is larger than the sum of its proper divisors (143247069).

121013303222131 is an equidigital number, since it uses as much as digits as its factorization.

121013303222131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143247068.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 121013303222131 its reverse (131222303310121), we get a palindrome (252235606532252).

The spelling of 121013303222131 in words is "one hundred twenty-one trillion, thirteen billion, three hundred three million, two hundred twenty-two thousand, one hundred thirty-one".

Divisors: 1 849829 142397239 121013303222131