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12110121021001 = 194755312451847
BaseRepresentation
bin1011000000111001101101…
…1101100010111001001001
31120212201100011012120202211
42300032123131202321021
53041403011440133001
641431151321425121
72356633042155613
oct260163335427111
946781304176684
1012110121021001
113949967673873
12143703303b1a1
1369ac96cb0343
142dc1c0ca5db3
1516002a971351
hexb039b762e49

12110121021001 has 16 divisors (see below), whose sum is σ = 13021078210560. Its totient is φ = 11226610538640.

The previous prime is 12110121020951. The next prime is 12110121021067. The reversal of 12110121021001 is 10012012101121.

It is a happy number.

12110121021001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12110121021001 - 29 = 12110121020489 is a prime.

It is a super-2 number, since 2×121101210210012 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12110121021701) 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, 3713260 + ... + 6165106.

It is an arithmetic number, because the mean of its divisors is an integer number (813817388160).

Almost surely, 212110121021001 is an apocalyptic number.

It is an amenable number.

12110121021001 is a deficient number, since it is larger than the sum of its proper divisors (910957189559).

12110121021001 is a wasteful number, since it uses less digits than its factorization.

12110121021001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2457444.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12110121021001 its reverse (10012012101121), we get a palindrome (22122133122122).

The spelling of 12110121021001 in words is "twelve trillion, one hundred ten billion, one hundred twenty-one million, twenty-one thousand, one".

Divisors: 1 19 47 893 5531 105089 259957 2451847 4939183 46585093 115236809 2189499371 13561165757 257662149383 637374790579 12110121021001