220021001111112 has 32 divisors (see below), whose sum is σ = 552353977699200. Its totient is φ = 73033470380864.

The previous prime is 220021001111081. The next prime is 220021001111269. The reversal of 220021001111112 is 211111100120022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 220021001111091 and 220021001111100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19178951823 + ... + 19178963294.

It is an arithmetic number, because the mean of its divisors is an integer number (17261061803100).

Almost surely, 2^{220021001111112} is an apocalyptic number.

It is an amenable number.

220021001111112 is an abundant number, since it is smaller than the sum of its proper divisors (332332976588088).

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

220021001111112 is a wasteful number, since it uses less digits than its factorization.

220021001111112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38357915365 (or 38357915361 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 220021001111112 its reverse (211111100120022), we get a palindrome (431132101231134).

The spelling of 220021001111112 in words is "two hundred twenty trillion, twenty-one billion, one million, one hundred eleven thousand, one hundred twelve".