Search a number
-
+
121101210200131 = 7117499147236767
BaseRepresentation
bin11011100010010000010010…
…100111011010100001000011
3120212210011101120001100011021
4123202100102213122201003
5111333110234302401011
61105321043345130311
734336162611352030
oct3342202247324103
9525704346040137
10121101210200131
113564a80a0684a7
12116ba286329997
135275a44b5b0a5
1421c9489160387
15e001c14a9471
hex6e24129da843

121101210200131 has 8 divisors (see below), whose sum is σ = 138402561920000. Its totient is φ = 103800153188808.

The previous prime is 121101210200107. The next prime is 121101210200147. The reversal of 121101210200131 is 131002012101121.

It is a happy number.

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 121101210200131 - 231 = 121099062716483 is a prime.

It is a super-2 number, since 2×1211012102001312 (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121101210200161) 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, 72795891 + ... + 74440876.

It is an arithmetic number, because the mean of its divisors is an integer number (17300320240000).

Almost surely, 2121101210200131 is an apocalyptic number.

121101210200131 is a deficient number, since it is larger than the sum of its proper divisors (17301351719869).

121101210200131 is a wasteful number, since it uses less digits than its factorization.

121101210200131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147354273.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 121101210200131 its reverse (131002012101121), we get a palindrome (252103222301252).

The spelling of 121101210200131 in words is "one hundred twenty-one trillion, one hundred one billion, two hundred ten million, two hundred thousand, one hundred thirty-one".

Divisors: 1 7 117499 822493 147236767 1030657369 17300172885733 121101210200131