1221014714105 has 8 divisors (see below), whose sum is σ = 1465659939912. Its totient is φ = 976516915968.

The previous prime is 1221014714093. The next prime is 1221014714159. The reversal of 1221014714105 is 5014174101221.

It can be written as a sum of positive squares in 4 ways, for example, as 108894720064 + 1112119994041 = 329992^2 + 1054571^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1221014714105 - 2¹⁸ = 1221014451961 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36838694 + ... + 36871823.

It is an arithmetic number, because the mean of its divisors is an integer number (183207492489).

Almost surely, 2^{1221014714105} is an apocalyptic number.

It is an amenable number.

1221014714105 is a deficient number, since it is larger than the sum of its proper divisors (244645225807).

1221014714105 is an equidigital number, since it uses as much as digits as its factorization.

1221014714105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73713835.

The product of its (nonzero) digits is 2240, while the sum is 29.

Adding to 1221014714105 its reverse (5014174101221), we get a palindrome (6235188815326).

The spelling of 1221014714105 in words is "one trillion, two hundred twenty-one billion, fourteen million, seven hundred fourteen thousand, one hundred five".