220021101011112 has 64 divisors (see below), whose sum is σ = 583945495876800. Its totient is φ = 68844100469760.

The previous prime is 220021101011071. The next prime is 220021101011113. The reversal of 220021101011112 is 211110101120022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 220021101011091 and 220021101011100.

It is not an unprimeable number, because it can be changed into a prime (220021101011113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 711279939 + ... + 711589202.

It is an arithmetic number, because the mean of its divisors is an integer number (9124148373075).

Almost surely, 2^{220021101011112} is an apocalyptic number.

It is an amenable number.

220021101011112 is an abundant number, since it is smaller than the sum of its proper divisors (363924394865688).

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

220021101011112 is a wasteful number, since it uses less digits than its factorization.

220021101011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422869546 (or 1422869542 counting only the distinct ones).

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

Adding to 220021101011112 its reverse (211110101120022), we get a palindrome (431131202131134).

The spelling of 220021101011112 in words is "two hundred twenty trillion, twenty-one billion, one hundred one million, eleven thousand, one hundred twelve".