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202111100969 is a prime number
BaseRepresentation
bin1011110000111011000…
…0101010100000101001
3201022200110200201121012
42330032300222200221
511302410420212334
6232503142153305
720413334004221
oct2741660524051
9638613621535
10202111100969
11787954a1648
1233206722835
131609c7c5a4b
149ad461b081
1553cd9809ce
hex2f0ec2a829

202111100969 has 2 divisors, whose sum is σ = 202111100970. Its totient is φ = 202111100968.

The previous prime is 202111100951. The next prime is 202111101001. The reversal of 202111100969 is 969001111202.

It is an a-pointer prime, because the next prime (202111101001) can be obtained adding 202111100969 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141968443369 + 60142657600 = 376787^2 + 245240^2 .

It is a cyclic number.

It is not a de Polignac number, because 202111100969 - 228 = 201842665513 is a prime.

It is a super-2 number, since 2×2021111009692 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (202111100929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101055550484 + 101055550485.

It is an arithmetic number, because the mean of its divisors is an integer number (101055550485).

Almost surely, 2202111100969 is an apocalyptic number.

It is an amenable number.

202111100969 is a deficient number, since it is larger than the sum of its proper divisors (1).

202111100969 is an equidigital number, since it uses as much as digits as its factorization.

202111100969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 32.

The spelling of 202111100969 in words is "two hundred two billion, one hundred eleven million, one hundred thousand, nine hundred sixty-nine".