1021201122003 has 8 divisors (see below), whose sum is σ = 1368730300416. Its totient is φ = 677236345800.

The previous prime is 1021201122001. The next prime is 1021201122083. The reversal of 1021201122003 is 3002211021201.

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

It is not a de Polignac number, because 1021201122003 - 2¹ = 1021201122001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1021201122001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 891099883 + ... + 891101028.

It is an arithmetic number, because the mean of its divisors is an integer number (171091287552).

Almost surely, 2^{1021201122003} is an apocalyptic number.

1021201122003 is a deficient number, since it is larger than the sum of its proper divisors (347529178413).

1021201122003 is a wasteful number, since it uses less digits than its factorization.

1021201122003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1782201105.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1021201122003 its reverse (3002211021201), we get a palindrome (4023412143204).

The spelling of 1021201122003 in words is "one trillion, twenty-one billion, two hundred one million, one hundred twenty-two thousand, three".