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1311110102121 = 33171378664671
BaseRepresentation
bin10011000101000100010…
…000000111110001101001
311122100012111222010011220
4103011010100013301221
5132440123141231441
62442152103412253
7163503346662561
oct23050420076151
94570174863156
101311110102121
11466047521376
12192128154089
1396838a91771
144765ad19da1
15241894b2466
hex13144407c69

1311110102121 has 8 divisors (see below), whose sum is σ = 1753661462784. Its totient is φ = 871316071440.

The previous prime is 1311110102111. The next prime is 1311110102143. The reversal of 1311110102121 is 1212010111131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1311110102121 - 27 = 1311110101993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1311110102121.

It is not an unprimeable number, because it can be changed into a prime (1311110102111) 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, 689331385 + ... + 689333286.

It is an arithmetic number, because the mean of its divisors is an integer number (219207682848).

Almost surely, 21311110102121 is an apocalyptic number.

It is an amenable number.

1311110102121 is a deficient number, since it is larger than the sum of its proper divisors (442551360663).

1311110102121 is a wasteful number, since it uses less digits than its factorization.

1311110102121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378664991.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 1311110102121 its reverse (1212010111131), we get a palindrome (2523120213252).

The spelling of 1311110102121 in words is "one trillion, three hundred eleven billion, one hundred ten million, one hundred two thousand, one hundred twenty-one".

Divisors: 1 3 317 951 1378664671 4135994013 437036700707 1311110102121