1021022240234 has 16 divisors (see below), whose sum is σ = 1584407382408. Its totient is φ = 493087871232.

The previous prime is 1021022240233. The next prime is 1021022240297. The reversal of 1021022240234 is 4320422201201.

It can be written as a sum of positive squares in 4 ways, for example, as 822654442009 + 198367798225 = 907003^2 + 445385^2 .

It is not an unprimeable number, because it can be changed into a prime (1021022240233) 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, 50346059 + ... + 50366334.

Almost surely, 2^{1021022240234} is an apocalyptic number.

1021022240234 is a deficient number, since it is larger than the sum of its proper divisors (563385142174).

1021022240234 is a wasteful number, since it uses less digits than its factorization.

1021022240234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100712569.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 1021022240234 its reverse (4320422201201), we get a palindrome (5341444441435).

The spelling of 1021022240234 in words is "one trillion, twenty-one billion, twenty-two million, two hundred forty thousand, two hundred thirty-four".