221122021010 has 64 divisors (see below), whose sum is σ = 439805583360. Its totient is φ = 79373521920.

The previous prime is 221122021009. The next prime is 221122021063. The reversal of 221122021010 is 10120221122.

221122021010 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 6022127 + ... + 6058733.

It is an arithmetic number, because the mean of its divisors is an integer number (6871962240).

Almost surely, 2^221122021010 is an apocalyptic number.

221122021010 is a deficient number, since it is larger than the sum of its proper divisors (218683562350).

221122021010 is a wasteful number, since it uses less digits than its factorization.

221122021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37331.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221122021010 its reverse (10120221122), we get a palindrome (231242242132).

The spelling of 221122021010 in words is "two hundred twenty-one billion, one hundred twenty-two million, twenty-one thousand, ten".