221012103232232 has 32 divisors (see below), whose sum is σ = 461663212991400. Its totient is φ = 98488152102144.

The previous prime is 221012103232223. The next prime is 221012103232253. The reversal of 221012103232232 is 232232301210122.

221012103232232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 149059534492036 + 71952568740196 = 12208994^2 + 8482486^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36639934523 + ... + 36639940554.

Almost surely, 2^{221012103232232} is an apocalyptic number.

It is an amenable number.

221012103232232 is an abundant number, since it is smaller than the sum of its proper divisors (240651109759168).

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

221012103232232 is a wasteful number, since it uses less digits than its factorization.

221012103232232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73279875125 (or 73279875121 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 221012103232232 its reverse (232232301210122), we get a palindrome (453244404442354).

The spelling of 221012103232232 in words is "two hundred twenty-one trillion, twelve billion, one hundred three million, two hundred thirty-two thousand, two hundred thirty-two".