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102212221099997 is a prime number
BaseRepresentation
bin10111001111011000100011…
…001000010101111111011101
3111101220101121102121021021102
4113033120203020111333131
5101344121112100144442
61001215351322242445
730346406060215421
oct2717304310257735
9441811542537242
10102212221099997
112a627a611644a8
12b5694b6056425
1345057568c52a8
141b351528b6b81
15bc3b93ab8232
hex5cf623215fdd

102212221099997 has 2 divisors, whose sum is σ = 102212221099998. Its totient is φ = 102212221099996.

The previous prime is 102212221099993. The next prime is 102212221100027. The reversal of 102212221099997 is 799990122212201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57348829555801 + 44863391544196 = 7572901^2 + 6698014^2 .

It is a cyclic number.

It is not a de Polignac number, because 102212221099997 - 22 = 102212221099993 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102212221099993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51106110549998 + 51106110549999.

It is an arithmetic number, because the mean of its divisors is an integer number (51106110549999).

Almost surely, 2102212221099997 is an apocalyptic number.

It is an amenable number.

102212221099997 is a deficient number, since it is larger than the sum of its proper divisors (1).

102212221099997 is an equidigital number, since it uses as much as digits as its factorization.

102212221099997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1469664, while the sum is 56.

The spelling of 102212221099997 in words is "one hundred two trillion, two hundred twelve billion, two hundred twenty-one million, ninety-nine thousand, nine hundred ninety-seven".