Search a number
-
+
121102020222187 is a prime number
BaseRepresentation
bin11011100010010001000010…
…111001011001110011101011
3120212210020111000020201112011
4123202101002321121303223
5111333113414134102222
61105321300002500351
734336221645416254
oct3342210271316353
9525706430221464
10121102020222187
1135650095324014
12116ba4716646b7
135275b4390c894
1421c9524977b2b
15e0021c660c77
hex6e2442e59ceb

121102020222187 has 2 divisors, whose sum is σ = 121102020222188. Its totient is φ = 121102020222186.

The previous prime is 121102020222121. The next prime is 121102020222233. The reversal of 121102020222187 is 781222020201121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121102020222187 - 231 = 121099872738539 is a prime.

It is not a weakly prime, because it can be changed into another prime (121102020222107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60551010111093 + 60551010111094.

It is an arithmetic number, because the mean of its divisors is an integer number (60551010111094).

Almost surely, 2121102020222187 is an apocalyptic number.

121102020222187 is a deficient number, since it is larger than the sum of its proper divisors (1).

121102020222187 is an equidigital number, since it uses as much as digits as its factorization.

121102020222187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 31.

The spelling of 121102020222187 in words is "one hundred twenty-one trillion, one hundred two billion, twenty million, two hundred twenty-two thousand, one hundred eighty-seven".