10031221221132 has 12 divisors (see below), whose sum is σ = 23406182849336. Its totient is φ = 3343740407040.

The previous prime is 10031221221127. The next prime is 10031221221181. The reversal of 10031221221132 is 23112212213001.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×10031221221132² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10031221221099 and 10031221221108.

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, 417967550869 + ... + 417967550892.

Almost surely, 2^{10031221221132} is an apocalyptic number.

10031221221132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10031221221132 is an abundant number, since it is smaller than the sum of its proper divisors (13374961628204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10031221221132 is a wasteful number, since it uses less digits than its factorization.

10031221221132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835935101768 (or 835935101766 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 10031221221132 its reverse (23112212213001), we get a palindrome (33143433434133).

The spelling of 10031221221132 in words is "ten trillion, thirty-one billion, two hundred twenty-one million, two hundred twenty-one thousand, one hundred thirty-two".