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1221302023099 is a prime number
BaseRepresentation
bin10001110001011011010…
…001011111001110111011
311022202101122020000010221
4101301123101133032323
5130002211304214344
62333020340520511
7154144000624444
oct21613321371673
94282348200127
101221302023099
11430a51175364
121788436b0137
138b2259583c2
144317b6da2cb
1521b7ede6184
hex11c5b45f3bb

1221302023099 has 2 divisors, whose sum is σ = 1221302023100. Its totient is φ = 1221302023098.

The previous prime is 1221302023087. The next prime is 1221302023159. The reversal of 1221302023099 is 9903202031221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1221302023099 - 29 = 1221302022587 is a prime.

It is not a weakly prime, because it can be changed into another prime (1221302723099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610651011549 + 610651011550.

It is an arithmetic number, because the mean of its divisors is an integer number (610651011550).

Almost surely, 21221302023099 is an apocalyptic number.

1221302023099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1221302023099 is an equidigital number, since it uses as much as digits as its factorization.

1221302023099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 34.

The spelling of 1221302023099 in words is "one trillion, two hundred twenty-one billion, three hundred two million, twenty-three thousand, ninety-nine".