122021222222 has 4 divisors (see below), whose sum is σ = 183031833336. Its totient is φ = 61010611110.

The previous prime is 122021222221. The next prime is 122021222299. The reversal of 122021222222 is 222222120221.

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 = 122021222194 and 122021222203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122021222221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30505305554 + ... + 30505305557.

It is an arithmetic number, because the mean of its divisors is an integer number (45757958334).

Almost surely, 2^122021222222 is an apocalyptic number.

122021222222 is a deficient number, since it is larger than the sum of its proper divisors (61010611114).

122021222222 is an equidigital number, since it uses as much as digits as its factorization.

122021222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61010611113.

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

Adding to 122021222222 its reverse (222222120221), we get a palindrome (344243342443).

The spelling of 122021222222 in words is "one hundred twenty-two billion, twenty-one million, two hundred twenty-two thousand, two hundred twenty-two".