1011022421044 has 12 divisors (see below), whose sum is σ = 1773127177668. Its totient is φ = 504414656000.

The previous prime is 1011022421033. The next prime is 1011022421047. The reversal of 1011022421044 is 4401242201101.

It can be written as a sum of positive squares in 2 ways, for example, as 458396702500 + 552625718544 = 677050^2 + 743388^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011022421047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274136557 + ... + 274140244.

It is an arithmetic number, because the mean of its divisors is an integer number (147760598139).

Almost surely, 2^{1011022421044} is an apocalyptic number.

It is an amenable number.

1011022421044 is a deficient number, since it is larger than the sum of its proper divisors (762104756624).

1011022421044 is a wasteful number, since it uses less digits than its factorization.

1011022421044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548277266 (or 548277264 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 1011022421044 its reverse (4401242201101), we get a palindrome (5412264622145).

The spelling of 1011022421044 in words is "one trillion, eleven billion, twenty-two million, four hundred twenty-one thousand, forty-four".