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1021114201121 = 72130315993143
BaseRepresentation
bin11101101101111110010…
…01100011010000100001
310121121200012111222022222
432312333021203100201
5113212220213413441
62101032101040425
7133526106333500
oct16667711432041
93547605458288
101021114201121
11364063389793
12145a950b6115
13753a1756c81
14375ca6c6837
151b865220d4b
hexedbf263421

1021114201121 has 12 divisors (see below), whose sum is σ = 1188738407232. Its totient is φ = 874568977128.

The previous prime is 1021114201049. The next prime is 1021114201123. The reversal of 1021114201121 is 1211024111201.

It is not a de Polignac number, because 1021114201121 - 222 = 1021110006817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1021114201121.

It is not an unprimeable number, because it can be changed into a prime (1021114201123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7932725 + ... + 8060418.

It is an arithmetic number, because the mean of its divisors is an integer number (99061533936).

Almost surely, 21021114201121 is an apocalyptic number.

It is an amenable number.

1021114201121 is a deficient number, since it is larger than the sum of its proper divisors (167624206111).

1021114201121 is a wasteful number, since it uses less digits than its factorization.

1021114201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15994460 (or 15994453 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1021114201121 its reverse (1211024111201), we get a palindrome (2232138312322).

The spelling of 1021114201121 in words is "one trillion, twenty-one billion, one hundred fourteen million, two hundred one thousand, one hundred twenty-one".

Divisors: 1 7 49 1303 9121 63847 15993143 111952001 783664007 20839065329 145873457303 1021114201121