Search a number
-
+
10211121018071 is a prime number
BaseRepresentation
bin1001010010010111011000…
…1111011011010011010111
31100011011200120200012010222
42110211312033123103113
52314244333440034241
633414531345104555
72102505045365441
oct224456617332327
940134616605128
1010211121018071
11328756a67a746
12118ab9792815b
13590b9b49445c
142743141c3491
1512a9348ada4b
hex949763db4d7

10211121018071 has 2 divisors, whose sum is σ = 10211121018072. Its totient is φ = 10211121018070.

The previous prime is 10211121018053. The next prime is 10211121018097. The reversal of 10211121018071 is 17081012111201.

It is an a-pointer prime, because the next prime (10211121018097) can be obtained adding 10211121018071 to its sum of digits (26).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10211121018071 - 226 = 10211053909207 is a prime.

It is a super-2 number, since 2×102111210180712 (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10211121018071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10211121018031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105560509035 + 5105560509036.

It is an arithmetic number, because the mean of its divisors is an integer number (5105560509036).

Almost surely, 210211121018071 is an apocalyptic number.

10211121018071 is a deficient number, since it is larger than the sum of its proper divisors (1).

10211121018071 is an equidigital number, since it uses as much as digits as its factorization.

10211121018071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 26.

Adding to 10211121018071 its reverse (17081012111201), we get a palindrome (27292133129272).

The spelling of 10211121018071 in words is "ten trillion, two hundred eleven billion, one hundred twenty-one million, eighteen thousand, seventy-one".