221400102222324 has 96 divisors (see below), whose sum is σ = 575163687168000. Its totient is φ = 73650512511360.

The previous prime is 221400102222107. The next prime is 221400102222407. The reversal of 221400102222324 is 423222201004122.

221400102222324 is a `hidden beast` number, since 2 + 2 + 1 + 400 + 1 + 0 + 2 + 22 + 232 + 4 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 261195309 + ... + 262041579.

It is an arithmetic number, because the mean of its divisors is an integer number (5991288408000).

Almost surely, 2^{221400102222324} is an apocalyptic number.

It is an amenable number.

221400102222324 is an abundant number, since it is smaller than the sum of its proper divisors (353763584945676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221400102222324 is a wasteful number, since it uses less digits than its factorization.

221400102222324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851190 (or 851182 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 221400102222324 its reverse (423222201004122), we get a palindrome (644622303226446).

The spelling of 221400102222324 in words is "two hundred twenty-one trillion, four hundred billion, one hundred two million, two hundred twenty-two thousand, three hundred twenty-four".