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1111120110001 = 11791278619229
BaseRepresentation
bin10000001010110011111…
…010110110000110110001
310221012222212111212220201
4100022303322312012301
5121201033222010001
62210235212035201
7143163410050216
oct20126372660661
93835885455821
101111120110001
11399250376250
1215b413a62b01
1380a16867915
143bac82c1b0d
151dd81d68501
hex102b3eb61b1

1111120110001 has 8 divisors (see below), whose sum is σ = 1227474460800. Its totient is φ = 997322997840.

The previous prime is 1111120109999. The next prime is 1111120110017. The reversal of 1111120110001 is 1000110211111.

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 1111120110001 - 21 = 1111120109999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1111120110001.

It is not an unprimeable number, because it can be changed into a prime (1111120110301) 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, 639308746 + ... + 639310483.

It is an arithmetic number, because the mean of its divisors is an integer number (153434307600).

Almost surely, 21111120110001 is an apocalyptic number.

1111120110001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1111120110001 is a deficient number, since it is larger than the sum of its proper divisors (116354350799).

1111120110001 is a wasteful number, since it uses less digits than its factorization.

1111120110001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278619319.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 1111120110001 its reverse (1000110211111), we get a palindrome (2111230321112).

The spelling of 1111120110001 in words is "one trillion, one hundred eleven billion, one hundred twenty million, one hundred ten thousand, one".

Divisors: 1 11 79 869 1278619229 14064811519 101010919091 1111120110001