1221104142033 has 8 divisors (see below), whose sum is σ = 1628319535488. Its totient is φ = 813979088304.

The previous prime is 1221104142019. The next prime is 1221104142047. The reversal of 1221104142033 is 3302414011221.

It is an interprime number because it is at equal distance from previous prime (1221104142019) and next prime (1221104142047).

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

It is not a de Polignac number, because 1221104142033 - 2¹⁶ = 1221104076497 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1221104141994 and 1221104142012.

It is not an unprimeable number, because it can be changed into a prime (1221104142233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22553385 + ... + 22607462.

It is an arithmetic number, because the mean of its divisors is an integer number (203539941936).

Almost surely, 2^{1221104142033} is an apocalyptic number.

It is an amenable number.

1221104142033 is a deficient number, since it is larger than the sum of its proper divisors (407215393455).

1221104142033 is an equidigital number, since it uses as much as digits as its factorization.

1221104142033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45169863.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1221104142033 its reverse (3302414011221), we get a palindrome (4523518153254).

The spelling of 1221104142033 in words is "one trillion, two hundred twenty-one billion, one hundred four million, one hundred forty-two thousand, thirty-three".