221122501454332 has 6 divisors (see below), whose sum is σ = 386964377545088. Its totient is φ = 110561250727164.

The previous prime is 221122501454291. The next prime is 221122501454363. The reversal of 221122501454332 is 233454105221122.

It is a junction number, because it is equal to n+sod(n) for n = 221122501454291 and 221122501454300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27640312681788 + ... + 27640312681795.

Almost surely, 2^{221122501454332} is an apocalyptic number.

It is an amenable number.

221122501454332 is a deficient number, since it is larger than the sum of its proper divisors (165841876090756).

221122501454332 is a wasteful number, since it uses less digits than its factorization.

221122501454332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55280625363587 (or 55280625363585 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 221122501454332 its reverse (233454105221122), we get a palindrome (454576606675454).

The spelling of 221122501454332 in words is "two hundred twenty-one trillion, one hundred twenty-two billion, five hundred one million, four hundred fifty-four thousand, three hundred thirty-two".