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202111102201 is a prime number
BaseRepresentation
bin1011110000111011000…
…0101010110011111001
3201022200110200210021211
42330032300222303321
511302410420232301
6232503142203121
720413334010631
oct2741660526371
9638613623254
10202111102201
11787954a2568
12332067234a1
131609c7c6488
149ad461b6c1
1553cd981051
hex2f0ec2acf9

202111102201 has 2 divisors, whose sum is σ = 202111102202. Its totient is φ = 202111102200.

The previous prime is 202111102187. The next prime is 202111102211. The reversal of 202111102201 is 102201111202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134451288976 + 67659813225 = 366676^2 + 260115^2 .

It is a cyclic number.

It is not a de Polignac number, because 202111102201 - 225 = 202077547769 is a prime.

It is not a weakly prime, because it can be changed into another prime (202111102211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101055551100 + 101055551101.

It is an arithmetic number, because the mean of its divisors is an integer number (101055551101).

Almost surely, 2202111102201 is an apocalyptic number.

It is an amenable number.

202111102201 is a deficient number, since it is larger than the sum of its proper divisors (1).

202111102201 is an equidigital number, since it uses as much as digits as its factorization.

202111102201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 202111102201 its reverse (102201111202), we get a palindrome (304312213403).

Subtracting from 202111102201 its reverse (102201111202), we obtain a palindrome (99909990999).

The spelling of 202111102201 in words is "two hundred two billion, one hundred eleven million, one hundred two thousand, two hundred one".