1021223311303 has 12 divisors (see below), whose sum is σ = 1109932602840. Its totient is φ = 939163289376.

The previous prime is 1021223311301. The next prime is 1021223311309. The reversal of 1021223311303 is 3031133221201.

It is not a de Polignac number, because 1021223311303 - 2¹ = 1021223311301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021223311301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11186401 + ... + 11277322.

It is an arithmetic number, because the mean of its divisors is an integer number (92494383570).

Almost surely, 2^{1021223311303} is an apocalyptic number.

1021223311303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1021223311303 is a deficient number, since it is larger than the sum of its proper divisors (88709291537).

1021223311303 is a wasteful number, since it uses less digits than its factorization.

1021223311303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22464018 (or 22464005 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1021223311303 its reverse (3031133221201), we get a palindrome (4052356532504).

The spelling of 1021223311303 in words is "one trillion, twenty-one billion, two hundred twenty-three million, three hundred eleven thousand, three hundred three".