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1110023100121 = 1399018624017
BaseRepresentation
bin10000001001110010100…
…010000101011011011001
310221010011102022000021011
4100021302202011123121
5121141311403200441
62205534303213521
7143124256446535
oct20116242053331
93833142260234
101110023100121
11398838113511
1215b1685a72a1
13808a04c2c50
143ba22720bc5
151dd1a8c3581
hex102728856d9

1110023100121 has 8 divisors (see below), whose sum is σ = 1195530367304. Its totient is φ = 1024533100800.

The previous prime is 1110023100089. The next prime is 1110023100133. The reversal of 1110023100121 is 1210013200111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11677179721 + 1098345920400 = 108061^2 + 1048020^2 .

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 1110023100121 - 25 = 1110023100089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (1110023106121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4183296 + ... + 4440721.

It is an arithmetic number, because the mean of its divisors is an integer number (149441295913).

Almost surely, 21110023100121 is an apocalyptic number.

It is an amenable number.

1110023100121 is a deficient number, since it is larger than the sum of its proper divisors (85507267183).

1110023100121 is an equidigital number, since it uses as much as digits as its factorization.

1110023100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8633931.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1110023100121 its reverse (1210013200111), we get a palindrome (2320036300232).

It can be divided in two parts, 111002 and 3100121, that added together give a palindrome (3211123).

The spelling of 1110023100121 in words is "one trillion, one hundred ten billion, twenty-three million, one hundred thousand, one hundred twenty-one".

Divisors: 1 13 9901 128713 8624017 112112221 85386392317 1110023100121