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222120200121929 is a prime number
BaseRepresentation
bin110010100000010001100011…
…101000000010111001001001
31002010110111001122200021100222
4302200101203220002321021
5213103204132212400204
62104224340010235425
764533440424122654
oct6240214350027111
91063414048607328
10222120200121929
116485771434190a
1220ab4471725b75
1396c2aca5bbc85
143cbc96448c89b
151aa2cc9738abe
hexca0463a02e49

222120200121929 has 2 divisors, whose sum is σ = 222120200121930. Its totient is φ = 222120200121928.

The previous prime is 222120200121863. The next prime is 222120200122027. The reversal of 222120200121929 is 929121002021222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127160534796304 + 94959665325625 = 11276548^2 + 9744725^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-222120200121929 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (222120200921929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111060100060964 + 111060100060965.

It is an arithmetic number, because the mean of its divisors is an integer number (111060100060965).

Almost surely, 2222120200121929 is an apocalyptic number.

It is an amenable number.

222120200121929 is a deficient number, since it is larger than the sum of its proper divisors (1).

222120200121929 is an equidigital number, since it uses as much as digits as its factorization.

222120200121929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 35.

The spelling of 222120200121929 in words is "two hundred twenty-two trillion, one hundred twenty billion, two hundred million, one hundred twenty-one thousand, nine hundred twenty-nine".