221025230001441 has 32 divisors (see below), whose sum is σ = 332211783939840. Its totient is φ = 145206942652800.

The previous prime is 221025230001241. The next prime is 221025230001451. The reversal of 221025230001441 is 144100032520122.

221025230001441 is a `hidden beast` number, since 2 + 210 + 2 + 5 + 2 + 3 + 0 + 0 + 0 + 1 + 441 = 666.

It is not a de Polignac number, because 221025230001441 - 2⁹ = 221025230000929 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (221025230001451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22821780 + ... + 31030373.

It is an arithmetic number, because the mean of its divisors is an integer number (10381618248120).

Almost surely, 2^{221025230001441} is an apocalyptic number.

It is an amenable number.

221025230001441 is a deficient number, since it is larger than the sum of its proper divisors (111186553938399).

221025230001441 is a wasteful number, since it uses less digits than its factorization.

221025230001441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53854374 (or 53854368 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 221025230001441 its reverse (144100032520122), we get a palindrome (365125262521563).

The spelling of 221025230001441 in words is "two hundred twenty-one trillion, twenty-five billion, two hundred thirty million, one thousand, four hundred forty-one".