221401132010 has 16 divisors (see below), whose sum is σ = 408242088072. Its totient is φ = 86400441600.

The previous prime is 221401131971. The next prime is 221401132027. The reversal of 221401132010 is 10231104122.

221401132010 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 115731277249 + 105669854761 = 340193^2 + 325069^2 .

It is a super-2 number, since 2×221401132010² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 221401132010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270000971 + ... + 270001790.

Almost surely, 2^221401132010 is an apocalyptic number.

221401132010 is a deficient number, since it is larger than the sum of its proper divisors (186840956062).

221401132010 is a wasteful number, since it uses less digits than its factorization.

221401132010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540002809.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 221401132010 its reverse (10231104122), we get a palindrome (231632236132).

The spelling of 221401132010 in words is "two hundred twenty-one billion, four hundred one million, one hundred thirty-two thousand, ten".