Search a number
-
+
101121001021201 = 714445857288743
BaseRepresentation
bin10110111111100000010001…
…010110000101111100010001
3111021001001222102111201012111
4112333200101112011330101
5101223231302230134301
6555022202505025321
730204515446456660
oct2677402126057421
9437031872451174
10101121001021201
112a2471a2948237
12b411b16785241
134456891b02a85
141ad83d54d6dd7
15ba55c8d20551
hex5bf811585f11

101121001021201 has 4 divisors (see below), whose sum is σ = 115566858309952. Its totient is φ = 86675143732452.

The previous prime is 101121001021169. The next prime is 101121001021207. The reversal of 101121001021201 is 102120100121101.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 101121001021201 - 25 = 101121001021169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101121001021207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7222928644365 + ... + 7222928644378.

It is an arithmetic number, because the mean of its divisors is an integer number (28891714577488).

Almost surely, 2101121001021201 is an apocalyptic number.

It is an amenable number.

101121001021201 is a deficient number, since it is larger than the sum of its proper divisors (14445857288751).

101121001021201 is an equidigital number, since it uses as much as digits as its factorization.

101121001021201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14445857288750.

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

Adding to 101121001021201 its reverse (102120100121101), we get a palindrome (203241101142302).

The spelling of 101121001021201 in words is "one hundred one trillion, one hundred twenty-one billion, one million, twenty-one thousand, two hundred one".

Divisors: 1 7 14445857288743 101121001021201