1803090122281 has 8 divisors (see below), whose sum is σ = 2104518562560. Its totient is φ = 1512622716288.

The previous prime is 1803090122233. The next prime is 1803090122341. The reversal of 1803090122281 is 1822210903081.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1803090122281 is a prime.

It is a super-2 number, since 2×1803090122281² (a number of 25 digits) contains 22 as substring.

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 1803090122281.

It is not an unprimeable number, because it can be changed into a prime (1803090122201) 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, 2740258216 + ... + 2740258873.

It is an arithmetic number, because the mean of its divisors is an integer number (263064820320).

Almost surely, 2^{1803090122281} is an apocalyptic number.

It is an amenable number.

1803090122281 is a deficient number, since it is larger than the sum of its proper divisors (301428440279).

1803090122281 is an equidigital number, since it uses as much as digits as its factorization.

1803090122281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5480517143.

The product of its (nonzero) digits is 13824, while the sum is 37.

The spelling of 1803090122281 in words is "one trillion, eight hundred three billion, ninety million, one hundred twenty-two thousand, two hundred eighty-one".