20220121022222 has 16 divisors (see below), whose sum is σ = 33087563718192. Its totient is φ = 9190938280320.

The previous prime is 20220121022219. The next prime is 20220121022263. The reversal of 20220121022222 is 22222012102202.

It is a junction number, because it is equal to n+sod(n) for n = 20220121022194 and 20220121022203.

It is a congruent number.

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, 8301908 + ... + 10457624.

It is an arithmetic number, because the mean of its divisors is an integer number (2067972732387).

Almost surely, 2^{20220121022222} is an apocalyptic number.

20220121022222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20220121022222 is a deficient number, since it is larger than the sum of its proper divisors (12867442695970).

20220121022222 is a wasteful number, since it uses less digits than its factorization.

20220121022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2582083.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 20220121022222 its reverse (22222012102202), we get a palindrome (42442133124424).

The spelling of 20220121022222 in words is "twenty trillion, two hundred twenty billion, one hundred twenty-one million, twenty-two thousand, two hundred twenty-two".