221536051123132 has 12 divisors (see below), whose sum is σ = 389296753738816. Its totient is φ = 110308407197760.

The previous prime is 221536051123129. The next prime is 221536051123151. The reversal of 221536051123132 is 231321150635122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 221536051123091 and 221536051123100.

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, 114904589868 + ... + 114904591795.

Almost surely, 2^{221536051123132} is an apocalyptic number.

It is an amenable number.

221536051123132 is a deficient number, since it is larger than the sum of its proper divisors (167760702615684).

221536051123132 is a wasteful number, since it uses less digits than its factorization.

221536051123132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229809181908 (or 229809181906 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 221536051123132 in words is "two hundred twenty-one trillion, five hundred thirty-six billion, fifty-one million, one hundred twenty-three thousand, one hundred thirty-two".