Search a number
-
+
10120122012221 = 135711363346627
BaseRepresentation
bin1001001101000100011001…
…0001110001001000111101
31022211110210200222201121222
42103101012101301020331
52311302002213342341
633305041520403125
72063104025531414
oct223210621611075
938743720881558
1010120122012221
113251a13054791
1211754204764a5
135854286c2670
1426db6075647b
151283aa99a44b
hex9344647123d

10120122012221 has 8 divisors (see below), whose sum is σ = 10917679797024. Its totient is φ = 9325290921840.

The previous prime is 10120122012139. The next prime is 10120122012239. The reversal of 10120122012221 is 12221022102101.

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 10120122012221 - 222 = 10120117817917 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10120122012221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120122012821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 681665891 + ... + 681680736.

It is an arithmetic number, because the mean of its divisors is an integer number (1364709974628).

Almost surely, 210120122012221 is an apocalyptic number.

It is an amenable number.

10120122012221 is a deficient number, since it is larger than the sum of its proper divisors (797557784803).

10120122012221 is a wasteful number, since it uses less digits than its factorization.

10120122012221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363347211.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10120122012221 its reverse (12221022102101), we get a palindrome (22341144114322).

The spelling of 10120122012221 in words is "ten trillion, one hundred twenty billion, one hundred twenty-two million, twelve thousand, two hundred twenty-one".

Divisors: 1 13 571 7423 1363346627 17723506151 778470924017 10120122012221