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1111210000121 = 13335925447363
BaseRepresentation
bin10000001010111001010…
…001101111111011111001
310221020020010122202222102
4100022321101233323321
5121201224230000441
62210252142433145
7143165551104434
oct20127121577371
93836203582872
101111210000121
11399297092001
1215b439b927b5
1380a2c37b840
143bad620081b
151dd89bc269b
hex102b946fef9

1111210000121 has 8 divisors (see below), whose sum is σ = 1197044002560. Its totient is φ = 1025426899152.

The previous prime is 1111210000111. The next prime is 1111210000127. The reversal of 1111210000121 is 1210000121111.

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 1111210000121 - 234 = 1094030130937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111210000127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12680015 + ... + 12767348.

It is an arithmetic number, because the mean of its divisors is an integer number (149630500320).

Almost surely, 21111210000121 is an apocalyptic number.

It is an amenable number.

1111210000121 is a deficient number, since it is larger than the sum of its proper divisors (85834002439).

1111210000121 is a wasteful number, since it uses less digits than its factorization.

1111210000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25450735.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1111210000121 its reverse (1210000121111), we get a palindrome (2321210121232).

It can be divided in two parts, 111 and 1210000121, that multiplied together give a palindrome (134310013431).

The spelling of 1111210000121 in words is "one trillion, one hundred eleven billion, two hundred ten million, one hundred twenty-one", and thus it is an aban number.

Divisors: 1 13 3359 43667 25447363 330815719 85477692317 1111210000121