220021101121112 has 24 divisors (see below), whose sum is σ = 417226922481900. Its totient is φ = 108774476927424.

The previous prime is 220021101121103. The next prime is 220021101121127. The reversal of 220021101121112 is 211121101120022.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 1735995062 + ... + 1736121797.

Almost surely, 2^{220021101121112} is an apocalyptic number.

It is an amenable number.

220021101121112 is a deficient number, since it is larger than the sum of its proper divisors (197205821360788).

220021101121112 is an equidigital number, since it uses as much as digits as its factorization.

220021101121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3472117043 (or 3472116950 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 220021101121112 its reverse (211121101120022), we get a palindrome (431142202241134).

The spelling of 220021101121112 in words is "two hundred twenty trillion, twenty-one billion, one hundred one million, one hundred twenty-one thousand, one hundred twelve".