220201022122 has 8 divisors (see below), whose sum is σ = 330414775236. Its totient is φ = 110062763712.

The previous prime is 220201022089. The next prime is 220201022183. The reversal of 220201022122 is 221220102022.

It can be written as a sum of positive squares in 2 ways, for example, as 130278405481 + 89922616641 = 360941^2 + 299871^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 220201022096 and 220201022105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18866383 + ... + 18878050.

Almost surely, 2^220201022122 is an apocalyptic number.

220201022122 is a deficient number, since it is larger than the sum of its proper divisors (110213753114).

220201022122 is a wasteful number, since it uses less digits than its factorization.

220201022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37747352.

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

Adding to 220201022122 its reverse (221220102022), we get a palindrome (441421124144).

The spelling of 220201022122 in words is "two hundred twenty billion, two hundred one million, twenty-two thousand, one hundred twenty-two".