220021110222122 has 16 divisors (see below), whose sum is σ = 360035298116352. Its totient is φ = 100009386078720.

The previous prime is 220021110222097. The next prime is 220021110222139. The reversal of 220021110222122 is 221222011120022.

It is a junction number, because it is equal to n+sod(n) for n = 220021110222094 and 220021110222103.

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, 524903 + ... + 20983749.

It is an arithmetic number, because the mean of its divisors is an integer number (22502206132272).

Almost surely, 2^{220021110222122} is an apocalyptic number.

220021110222122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220021110222122 is a deficient number, since it is larger than the sum of its proper divisors (140014187894230).

220021110222122 is a wasteful number, since it uses less digits than its factorization.

220021110222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20947693.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 220021110222122 its reverse (221222011120022), we get a palindrome (441243121342144).

The spelling of 220021110222122 in words is "two hundred twenty trillion, twenty-one billion, one hundred ten million, two hundred twenty-two thousand, one hundred twenty-two".