220121211022022 has 4 divisors (see below), whose sum is σ = 330181816533036. Its totient is φ = 110060605511010.

The previous prime is 220121211022021. The next prime is 220121211022033. The reversal of 220121211022022 is 220220112121022.

220121211022022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 220121211021985 and 220121211022003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220121211022021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55030302755504 + ... + 55030302755507.

It is an arithmetic number, because the mean of its divisors is an integer number (82545454133259).

Almost surely, 2^{220121211022022} is an apocalyptic number.

220121211022022 is a deficient number, since it is larger than the sum of its proper divisors (110060605511014).

220121211022022 is a wasteful number, since it uses less digits than its factorization.

220121211022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110060605511013.

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

Adding to 220121211022022 its reverse (220220112121022), we get a palindrome (440341323143044).

The spelling of 220121211022022 in words is "two hundred twenty trillion, one hundred twenty-one billion, two hundred eleven million, twenty-two thousand, twenty-two".