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1021122044231 is a prime number
BaseRepresentation
bin11101101101111111001…
…11011110000101000111
310121121200202021110001112
432312333213132011013
5113212224220403411
62101032541115235
7133526233110632
oct16667747360507
93547622243045
101021122044231
113640678563a3
12145a97858b1b
13753a3271b73
14375cb768c19
151b865c6eb8b
hexedbf9de147

1021122044231 has 2 divisors, whose sum is σ = 1021122044232. Its totient is φ = 1021122044230.

The previous prime is 1021122044207. The next prime is 1021122044281. The reversal of 1021122044231 is 1324402211201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1021122044231 - 214 = 1021122027847 is a prime.

It is a super-2 number, since 2×10211220442312 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1021122044197 and 1021122044206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1021122044281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510561022115 + 510561022116.

It is an arithmetic number, because the mean of its divisors is an integer number (510561022116).

Almost surely, 21021122044231 is an apocalyptic number.

1021122044231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1021122044231 is an equidigital number, since it uses as much as digits as its factorization.

1021122044231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 1021122044231 its reverse (1324402211201), we get a palindrome (2345524255432).

The spelling of 1021122044231 in words is "one trillion, twenty-one billion, one hundred twenty-two million, forty-four thousand, two hundred thirty-one".