220001122122 has 8 divisors (see below), whose sum is σ = 440002244256. Its totient is φ = 73333707372.

The previous prime is 220001122087. The next prime is 220001122141. The reversal of 220001122122 is 221221100022.

It is a sphenic number, since it is the product of 3 distinct primes.

220001122122 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18333426838 + ... + 18333426849.

It is an arithmetic number, because the mean of its divisors is an integer number (55000280532).

Almost surely, 2^220001122122 is an apocalyptic number.

220001122122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

220001122122 is a wasteful number, since it uses less digits than its factorization.

220001122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36666853692.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 220001122122 its reverse (221221100022), we get a palindrome (441222222144).

The spelling of 220001122122 in words is "two hundred twenty billion, one million, one hundred twenty-two thousand, one hundred twenty-two".