Search a number
-
+
102011102101001 is a prime number
BaseRepresentation
bin10111001100011101001111…
…100000001111111000001001
3111101012011111002201112201202
4113030131033200033320021
5101332322214114213001
61000543130420153545
730326026131015602
oct2714351740177011
9441164432645652
10102011102101001
112a55a735791845
12b5365278388b5
1344bc7b4802842
141b29513d4cda9
15bbd8222a896b
hex5cc74f80fe09

102011102101001 has 2 divisors, whose sum is σ = 102011102101002. Its totient is φ = 102011102101000.

The previous prime is 102011102100979. The next prime is 102011102101033. The reversal of 102011102101001 is 100101201110201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57055739925625 + 44955362175376 = 7553525^2 + 6704876^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102011102101001 is a prime.

It is not a weakly prime, because it can be changed into another prime (102011102101061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51005551050500 + 51005551050501.

It is an arithmetic number, because the mean of its divisors is an integer number (51005551050501).

Almost surely, 2102011102101001 is an apocalyptic number.

It is an amenable number.

102011102101001 is a deficient number, since it is larger than the sum of its proper divisors (1).

102011102101001 is an equidigital number, since it uses as much as digits as its factorization.

102011102101001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 102011102101001 its reverse (100101201110201), we get a palindrome (202112303211202).

The spelling of 102011102101001 in words is "one hundred two trillion, eleven billion, one hundred two million, one hundred one thousand, one".