221452110345051 has 6 divisors (see below), whose sum is σ = 319875270498420. Its totient is φ = 147634740230028.

The previous prime is 221452110345049. The next prime is 221452110345097. The reversal of 221452110345051 is 150543011254122.

221452110345051 is a `hidden beast` number, since 2 + 2 + 1 + 4 + 5 + 2 + 110 + 34 + 505 + 1 = 666.

It is not a de Polignac number, because 221452110345051 - 2¹ = 221452110345049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221452110344997 and 221452110345015.

It is not an unprimeable number, because it can be changed into a prime (221452110345251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12302895019161 + ... + 12302895019178.

It is an arithmetic number, because the mean of its divisors is an integer number (53312545083070).

Almost surely, 2^{221452110345051} is an apocalyptic number.

221452110345051 is a deficient number, since it is larger than the sum of its proper divisors (98423160153369).

221452110345051 is a wasteful number, since it uses less digits than its factorization.

221452110345051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24605790038345 (or 24605790038342 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

Adding to 221452110345051 its reverse (150543011254122), we get a palindrome (371995121599173).

The spelling of 221452110345051 in words is "two hundred twenty-one trillion, four hundred fifty-two billion, one hundred ten million, three hundred forty-five thousand, fifty-one".