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2122121130231 = 32330755378699
BaseRepresentation
bin11110111000011000010…
…001101011000011110111
321111212120021022001010110
4132320120101223003313
5234232101002131411
64302520004354103
7306214065661434
oct36703021530367
97455507261113
102122121130231
11748a940664a3
122a33460a5933
1312516602728b
14749d57c2b8b
153a3042c12a6
hex1ee1846b0f7

2122121130231 has 8 divisors (see below), whose sum is σ = 2952516355200. Its totient is φ = 1353236662712.

The previous prime is 2122121130187. The next prime is 2122121130287. The reversal of 2122121130231 is 1320311212212.

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 2122121130231 - 26 = 2122121130167 is a prime.

It is a super-2 number, since 2×21221211302312 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2122121130198 and 2122121130207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122121130131) 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, 15377689281 + ... + 15377689418.

It is an arithmetic number, because the mean of its divisors is an integer number (369064544400).

Almost surely, 22122121130231 is an apocalyptic number.

2122121130231 is a deficient number, since it is larger than the sum of its proper divisors (830395224969).

2122121130231 is a wasteful number, since it uses less digits than its factorization.

2122121130231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30755378725.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 2122121130231 its reverse (1320311212212), we get a palindrome (3442432342443).

The spelling of 2122121130231 in words is "two trillion, one hundred twenty-two billion, one hundred twenty-one million, one hundred thirty thousand, two hundred thirty-one".

Divisors: 1 3 23 69 30755378699 92266136097 707373710077 2122121130231