1031221102132 has 12 divisors (see below), whose sum is σ = 1943455154116. Its totient is φ = 475948200960.

The previous prime is 1031221102123. The next prime is 1031221102147. The reversal of 1031221102132 is 2312011221301.

It can be written as a sum of positive squares in 2 ways, for example, as 645634748196 + 385586353936 = 803514^2 + 620956^2 .

It is a super-2 number, since 2×1031221102132² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9915587469 + ... + 9915587572.

Almost surely, 2^{1031221102132} is an apocalyptic number.

It is an amenable number.

1031221102132 is a deficient number, since it is larger than the sum of its proper divisors (912234051984).

1031221102132 is a wasteful number, since it uses less digits than its factorization.

1031221102132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19831175058 (or 19831175056 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 1031221102132 its reverse (2312011221301), we get a palindrome (3343232323433).

The spelling of 1031221102132 in words is "one trillion, thirty-one billion, two hundred twenty-one million, one hundred two thousand, one hundred thirty-two".