220121210026 has 8 divisors (see below), whose sum is σ = 332158952160. Its totient is φ = 109401559308.

The previous prime is 220121210011. The next prime is 220121210027. The reversal of 220121210026 is 620012121022.

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 = 220121209985 and 220121210012.

It is not an unprimeable number, because it can be changed into a prime (220121210027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329522436 + ... + 329523103.

It is an arithmetic number, because the mean of its divisors is an integer number (41519869020).

Almost surely, 2^220121210026 is an apocalyptic number.

220121210026 is a deficient number, since it is larger than the sum of its proper divisors (112037742134).

220121210026 is a wasteful number, since it uses less digits than its factorization.

220121210026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659045708.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 220121210026 its reverse (620012121022), we get a palindrome (840133331048).

The spelling of 220121210026 in words is "two hundred twenty billion, one hundred twenty-one million, two hundred ten thousand, twenty-six".