1022021323203 has 8 divisors (see below), whose sum is σ = 1368805838848. Its totient is φ = 678292178184.

The previous prime is 1022021323201. The next prime is 1022021323223. The reversal of 1022021323203 is 3023231202201.

It is a happy number.

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

It is not a de Polignac number, because 1022021323203 - 2¹ = 1022021323201 is a prime.

It is a super-3 number, since 3×1022021323203³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 1022021323203.

It is not an unprimeable number, because it can be changed into a prime (1022021323201) 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, 763841875 + ... + 763843212.

It is an arithmetic number, because the mean of its divisors is an integer number (171100729856).

Almost surely, 2^{1022021323203} is an apocalyptic number.

1022021323203 is a deficient number, since it is larger than the sum of its proper divisors (346784515645).

1022021323203 is a wasteful number, since it uses less digits than its factorization.

1022021323203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1527685313.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 1022021323203 its reverse (3023231202201), we get a palindrome (4045252525404).

The spelling of 1022021323203 in words is "one trillion, twenty-two billion, twenty-one million, three hundred twenty-three thousand, two hundred three".