2221230112132 has 6 divisors (see below), whose sum is σ = 3887152696238. Its totient is φ = 1110615056064.

The previous prime is 2221230112121. The next prime is 2221230112139. The reversal of 2221230112132 is 2312110321222.

It can be written as a sum of positive squares in only one way, i.e., 2113924076356 + 107306035776 = 1453934^2 + 327576^2 .

It is a super-2 number, since 2×2221230112132² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2221230112139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277653764013 + ... + 277653764020.

Almost surely, 2^{2221230112132} is an apocalyptic number.

It is an amenable number.

2221230112132 is a deficient number, since it is larger than the sum of its proper divisors (1665922584106).

2221230112132 is a wasteful number, since it uses less digits than its factorization.

2221230112132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555307528037 (or 555307528035 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2221230112132 its reverse (2312110321222), we get a palindrome (4533340433354).

The spelling of 2221230112132 in words is "two trillion, two hundred twenty-one billion, two hundred thirty million, one hundred twelve thousand, one hundred thirty-two".