220122201100 has 36 divisors (see below), whose sum is σ = 478296338464. Its totient is φ = 87932537280.

The previous prime is 220122201077. The next prime is 220122201113. The reversal of 220122201100 is 1102221022.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1378212 + ... + 1529611.

Almost surely, 2^220122201100 is an apocalyptic number.

220122201100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220122201100 is an abundant number, since it is smaller than the sum of its proper divisors (258174137364).

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

220122201100 is a wasteful number, since it uses less digits than its factorization.

220122201100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2908594 (or 2908587 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 220122201100 its reverse (1102221022), we get a palindrome (221224422122).

The spelling of 220122201100 in words is "two hundred twenty billion, one hundred twenty-two million, two hundred one thousand, one hundred".