1221036301283 has 2 divisors, whose sum is σ = 1221036301284. Its totient is φ = 1221036301282.

The previous prime is 1221036301183. The next prime is 1221036301319. The reversal of 1221036301283 is 3821036301221.

It is a strong prime.

It is an emirp because it is prime and its reverse (3821036301221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1221036301283 - 2¹⁴ = 1221036284899 is a prime.

It is not a weakly prime, because it can be changed into another prime (1221036301183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610518150641 + 610518150642.

It is an arithmetic number, because the mean of its divisors is an integer number (610518150642).

Almost surely, 2^{1221036301283} is an apocalyptic number.

1221036301283 is a deficient number, since it is larger than the sum of its proper divisors (1).

1221036301283 is an equidigital number, since it uses as much as digits as its factorization.

1221036301283 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 32.

The spelling of 1221036301283 in words is "one trillion, two hundred twenty-one billion, thirty-six million, three hundred one thousand, two hundred eighty-three".