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1110013120221 = 31657223297751
BaseRepresentation
bin10000001001110001111…
…100000000111011011101
310221010010201111222102020
4100021301330000323131
5121141301324321341
62205533305250353
7143124105562605
oct20116174007335
93833121458366
101110013120221
11398832517465
1215b1651939b9
138089b40a595
143ba21283c05
151dd19aa1566
hex10271f00edd

1110013120221 has 8 divisors (see below), whose sum is σ = 1480910691264. Its totient is φ = 739562148000.

The previous prime is 1110013120189. The next prime is 1110013120283. The reversal of 1110013120221 is 1220213100111.

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

It is not a de Polignac number, because 1110013120221 - 25 = 1110013120189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1110013120221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110013120121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111643905 + ... + 111653846.

It is an arithmetic number, because the mean of its divisors is an integer number (185113836408).

Almost surely, 21110013120221 is an apocalyptic number.

It is an amenable number.

1110013120221 is a deficient number, since it is larger than the sum of its proper divisors (370897571043).

1110013120221 is a wasteful number, since it uses less digits than its factorization.

1110013120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223299411.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 1110013120221 its reverse (1220213100111), we get a palindrome (2330226220332).

The spelling of 1110013120221 in words is "one trillion, one hundred ten billion, thirteen million, one hundred twenty thousand, two hundred twenty-one".

Divisors: 1 3 1657 4971 223297751 669893253 370004373407 1110013120221