1102205021045 has 8 divisors (see below), whose sum is σ = 1322878387896. Its totient is φ = 881609108416.

The previous prime is 1102205021009. The next prime is 1102205021053. The reversal of 1102205021045 is 5401205022011.

It can be written as a sum of positive squares in 4 ways, for example, as 24347857444 + 1077857163601 = 156038^2 + 1038199^2 .

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 1102205021045 - 2¹² = 1102205016949 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1102205021045.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19332242 + ... + 19389171.

It is an arithmetic number, because the mean of its divisors is an integer number (165359798487).

Almost surely, 2^{1102205021045} is an apocalyptic number.

It is an amenable number.

1102205021045 is a deficient number, since it is larger than the sum of its proper divisors (220673366851).

1102205021045 is an equidigital number, since it uses as much as digits as its factorization.

1102205021045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38727111.

The product of its (nonzero) digits is 800, while the sum is 23.

The spelling of 1102205021045 in words is "one trillion, one hundred two billion, two hundred five million, twenty-one thousand, forty-five".