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1121012110111 = 1577140204523
BaseRepresentation
bin10000010100000001100…
…001110101001100011111
310222011112021001120001011
4100110001201311030133
5121331313100010421
62214552540000051
7143663503500535
oct20240141651437
93864467046034
101121012110111
113a2467125353
12161314830027
138193207021a
143c385d70155
151e2604e14e1
hex1050187531f

1121012110111 has 4 divisors (see below), whose sum is σ = 1128152314792. Its totient is φ = 1113871905432.

The previous prime is 1121012110079. The next prime is 1121012110159. The reversal of 1121012110111 is 1110112101211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1121012110111 - 25 = 1121012110079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121012110091 and 1121012110100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121012180111) 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, 3570102105 + ... + 3570102418.

It is an arithmetic number, because the mean of its divisors is an integer number (282038078698).

Almost surely, 21121012110111 is an apocalyptic number.

1121012110111 is a deficient number, since it is larger than the sum of its proper divisors (7140204681).

1121012110111 is an equidigital number, since it uses as much as digits as its factorization.

1121012110111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7140204680.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 1121012110111 its reverse (1110112101211), we get a palindrome (2231124211322).

The spelling of 1121012110111 in words is "one trillion, one hundred twenty-one billion, twelve million, one hundred ten thousand, one hundred eleven".

Divisors: 1 157 7140204523 1121012110111