221120220022 has 32 divisors (see below), whose sum is σ = 378375937632. Its totient is φ = 96008968704.

The previous prime is 221120220011. The next prime is 221120220037. The reversal of 221120220022 is 220022021122.

It is a junction number, because it is equal to n+sod(n) for n = 221120219978 and 221120220005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 879888 + ... + 1102924.

It is an arithmetic number, because the mean of its divisors is an integer number (11824248051).

Almost surely, 2^221120220022 is an apocalyptic number.

221120220022 is a deficient number, since it is larger than the sum of its proper divisors (157255717610).

221120220022 is a wasteful number, since it uses less digits than its factorization.

221120220022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225312.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 221120220022 its reverse (220022021122), we get a palindrome (441142241144).

The spelling of 221120220022 in words is "two hundred twenty-one billion, one hundred twenty million, two hundred twenty thousand, twenty-two".