221122001130 has 32 divisors (see below), whose sum is σ = 530735597568. Its totient is φ = 58961112000.

The previous prime is 221122001119. The next prime is 221122001131. The reversal of 221122001130 is 31100221122.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (221122001131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89280 + ... + 670980.

It is an arithmetic number, because the mean of its divisors is an integer number (16585487424).

Almost surely, 2^221122001130 is an apocalyptic number.

221122001130 is an abundant number, since it is smaller than the sum of its proper divisors (309613596438).

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

221122001130 is a wasteful number, since it uses less digits than its factorization.

221122001130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594382.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 221122001130 its reverse (31100221122), we get a palindrome (252222222252).

The spelling of 221122001130 in words is "two hundred twenty-one billion, one hundred twenty-two million, one thousand, one hundred thirty".