220100021122 has 16 divisors (see below), whose sum is σ = 367969076640. Its totient is φ = 98125086528.

The previous prime is 220100021083. The next prime is 220100021137. The reversal of 220100021122 is 221120001022.

It is a happy number.

It is a super-2 number, since 2×220100021122² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170355408 + ... + 170356699.

It is an arithmetic number, because the mean of its divisors is an integer number (22998067290).

Almost surely, 2^220100021122 is an apocalyptic number.

220100021122 is a deficient number, since it is larger than the sum of its proper divisors (147869055518).

220100021122 is a wasteful number, since it uses less digits than its factorization.

220100021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340712145.

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

Adding to 220100021122 its reverse (221120001022), we get a palindrome (441220022144).

The spelling of 220100021122 in words is "two hundred twenty billion, one hundred million, twenty-one thousand, one hundred twenty-two".