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121122121201069 is a prime number
BaseRepresentation
bin11011100010100011110001…
…000000100011010110101101
3120212212011100212210020202111
4123202203301000203112231
5111333431101011413234
61105334422340324021
734340533035053242
oct3342436100432655
9525764325706674
10121122121201069
113565866a852a5a
12117023413a3611
1352779c81b1721
1421ca4b04275c9
15e009e71c6664
hex6e28f10235ad

121122121201069 has 2 divisors, whose sum is σ = 121122121201070. Its totient is φ = 121122121201068.

The previous prime is 121122121201063. The next prime is 121122121201129. The reversal of 121122121201069 is 960102121221121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71792779655844 + 49329341545225 = 8473062^2 + 7023485^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-121122121201069 is a prime.

It is a super-2 number, since 2×1211221212010692 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121122121201069.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121122121201063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60561060600534 + 60561060600535.

It is an arithmetic number, because the mean of its divisors is an integer number (60561060600535).

Almost surely, 2121122121201069 is an apocalyptic number.

It is an amenable number.

121122121201069 is a deficient number, since it is larger than the sum of its proper divisors (1).

121122121201069 is an equidigital number, since it uses as much as digits as its factorization.

121122121201069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 31.

The spelling of 121122121201069 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, one hundred twenty-one million, two hundred one thousand, sixty-nine".