221233132121132 has 12 divisors (see below), whose sum is σ = 393719980893960. Its totient is φ = 108741709008576.

The previous prime is 221233132121129. The next prime is 221233132121143. The reversal of 221233132121132 is 231121231332122.

It is a super-2 number, since 2×221233132121132² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221233132121095 and 221233132121104.

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, 468714262733 + ... + 468714263204.

It is an arithmetic number, because the mean of its divisors is an integer number (32809998407830).

Almost surely, 2^{221233132121132} is an apocalyptic number.

It is an amenable number.

221233132121132 is a deficient number, since it is larger than the sum of its proper divisors (172486848772828).

221233132121132 is a wasteful number, since it uses less digits than its factorization.

221233132121132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937428526000 (or 937428525998 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

Adding to 221233132121132 its reverse (231121231332122), we get a palindrome (452354363453254).

The spelling of 221233132121132 in words is "two hundred twenty-one trillion, two hundred thirty-three billion, one hundred thirty-two million, one hundred twenty-one thousand, one hundred thirty-two".