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1101001001001 = 31135977927361
BaseRepresentation
bin10000000001011000110…
…001100000100000101001
310220020212122121212221220
4100001120301200200221
5121014322224013001
62201443132252253
7142354555044546
oct20013061404051
93806778555856
101101001001001
11394a283a8950
1215946b011089
137ca932a5c65
143b4083d5bcd
151d98d7cdc36
hex10058c60829

1101001001001 has 16 divisors (see below), whose sum is σ = 1601502241728. Its totient is φ = 667254067200.

The previous prime is 1101001000993. The next prime is 1101001001017. The reversal of 1101001001001 is 1001001001011.

It is not a de Polignac number, because 1101001001001 - 23 = 1101001000993 is a prime.

1101001001001 is a modest number, since divided by 1001001 gives 1101 as remainder.

It is not an unprimeable number, because it can be changed into a prime (1101001001101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 723561 + ... + 1650921.

It is an arithmetic number, because the mean of its divisors is an integer number (100093890108).

Almost surely, 21101001001001 is an apocalyptic number.

1101001001001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1101001001001 is a deficient number, since it is larger than the sum of its proper divisors (500501240727).

1101001001001 is a wasteful number, since it uses less digits than its factorization.

1101001001001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963352.

The product of its (nonzero) digits is 1, while the sum is 6.

Adding to 1101001001001 its reverse (1001001001011), we get a palindrome (2102002002012).

The spelling of 1101001001001 in words is "one trillion, one hundred one billion, one million, one thousand, one".

Divisors: 1 3 11 33 35977 107931 395747 927361 1187241 2782083 10200971 30602913 33363666697 100091000091 367000333667 1101001001001