Search a number
-
+
1121110101001 = 11145969855449
BaseRepresentation
bin10000010100000111010…
…111101000110000001001
310222011210002110000021101
4100110013113220300021
5121332013141213001
62215010400141401
7143666103424342
oct20240727506011
93864702400241
101121110101001
113a2507474360
12161341607861
138194945c3b7
143c394d9b0c9
151e268deaa01
hex105075e8c09

1121110101001 has 8 divisors (see below), whose sum is σ = 1223867484000. Its totient is φ = 1018492431840.

The previous prime is 1121110100987. The next prime is 1121110101031. The reversal of 1121110101001 is 1001010111211.

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 1121110101001 - 29 = 1121110100489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121110101031) 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, 34911676 + ... + 34943773.

It is an arithmetic number, because the mean of its divisors is an integer number (152983435500).

Almost surely, 21121110101001 is an apocalyptic number.

1121110101001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1121110101001 is a deficient number, since it is larger than the sum of its proper divisors (102757382999).

1121110101001 is a wasteful number, since it uses less digits than its factorization.

1121110101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69856919.

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

Adding to 1121110101001 its reverse (1001010111211), we get a palindrome (2122120212212).

The spelling of 1121110101001 in words is "one trillion, one hundred twenty-one billion, one hundred ten million, one hundred one thousand, one".

Divisors: 1 11 1459 16049 69855449 768409939 101919100091 1121110101001