220021214122 has 8 divisors (see below), whose sum is σ = 341412228900. Its totient is φ = 106217137824.

The previous prime is 220021214107. The next prime is 220021214159. The reversal of 220021214122 is 221412120022.

220021214122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 212787541521 + 7233672601 = 461289^2 + 85051^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 220021214122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1896734547 + ... + 1896734662.

Almost surely, 2^220021214122 is an apocalyptic number.

220021214122 is a deficient number, since it is larger than the sum of its proper divisors (121391014778).

220021214122 is a wasteful number, since it uses less digits than its factorization.

220021214122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3793469240.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 220021214122 its reverse (221412120022), we get a palindrome (441433334144).

The spelling of 220021214122 in words is "two hundred twenty billion, twenty-one million, two hundred fourteen thousand, one hundred twenty-two".