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1111031112001 = 1961875663123
BaseRepresentation
bin10000001010101110100…
…111010110000101000001
310221012202200001022121111
4100022232213112011001
5121200342431041001
62210222312323321
7143161246426636
oct20125647260501
93835680038544
101111031112001
11399205109788
1215b3aa0a3541
1380a012a6a95
143baba55618d
151dd79138851
hex102ae9d6141

1111031112001 has 4 divisors (see below), whose sum is σ = 1111036971312. Its totient is φ = 1111025252692.

The previous prime is 1111031111999. The next prime is 1111031112011. The reversal of 1111031112001 is 1002111301111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1111031112001 - 21 = 1111031111999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111031112011) 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 3 ways as a sum of consecutive naturals, for example, 2635375 + ... + 3027748.

It is an arithmetic number, because the mean of its divisors is an integer number (277759242828).

Almost surely, 21111031112001 is an apocalyptic number.

It is an amenable number.

1111031112001 is a deficient number, since it is larger than the sum of its proper divisors (5859311).

1111031112001 is an equidigital number, since it uses as much as digits as its factorization.

1111031112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5859310.

The product of its (nonzero) digits is 6, while the sum is 13.

Adding to 1111031112001 its reverse (1002111301111), we get a palindrome (2113142413112).

The spelling of 1111031112001 in words is "one trillion, one hundred eleven billion, thirty-one million, one hundred twelve thousand, one".

Divisors: 1 196187 5663123 1111031112001