220021021222 has 32 divisors (see below), whose sum is σ = 337143398400. Its totient is φ = 107665897248.

The previous prime is 220021021169. The next prime is 220021021223. The reversal of 220021021222 is 222120120022.

It is a junction number, because it is equal to n+sod(n) for n = 220021021196 and 220021021205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220021021223) 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, 25660128 + ... + 25668700.

It is an arithmetic number, because the mean of its divisors is an integer number (10535731200).

Almost surely, 2^220021021222 is an apocalyptic number.

220021021222 is a deficient number, since it is larger than the sum of its proper divisors (117122377178).

220021021222 is a wasteful number, since it uses less digits than its factorization.

220021021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10060.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 220021021222 its reverse (222120120022), we get a palindrome (442141141244).

The spelling of 220021021222 in words is "two hundred twenty billion, twenty-one million, twenty-one thousand, two hundred twenty-two".