1021233213203 has 12 divisors (see below), whose sum is σ = 1188655540632. Its totient is φ = 874834057440.

The previous prime is 1021233213137. The next prime is 1021233213241. The reversal of 1021233213203 is 3023123321201.

It is not a de Polignac number, because 1021233213203 - 2²² = 1021229018899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1021233213263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5970725 + ... + 6139382.

It is an arithmetic number, because the mean of its divisors is an integer number (99054628386).

Almost surely, 2^{1021233213203} is an apocalyptic number.

1021233213203 is a deficient number, since it is larger than the sum of its proper divisors (167422327429).

1021233213203 is a wasteful number, since it uses less digits than its factorization.

1021233213203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12111842 (or 12111835 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1021233213203 its reverse (3023123321201), we get a palindrome (4044356534404).

The spelling of 1021233213203 in words is "one trillion, twenty-one billion, two hundred thirty-three million, two hundred thirteen thousand, two hundred three".