2212220121122 has 16 divisors (see below), whose sum is σ = 3620808927072. Its totient is φ = 1005328943520.

The previous prime is 2212220121119. The next prime is 2212220121131. The reversal of 2212220121122 is 2211210222122.

It is a junction number, because it is equal to n+sod(n) for n = 2212220121094 and 2212220121103.

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, 11182568 + ... + 11378675.

It is an arithmetic number, because the mean of its divisors is an integer number (226300557942).

Almost surely, 2^{2212220121122} is an apocalyptic number.

2212220121122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2212220121122 is a deficient number, since it is larger than the sum of its proper divisors (1408588805950).

2212220121122 is a wasteful number, since it uses less digits than its factorization.

2212220121122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22565713.

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

Adding to 2212220121122 its reverse (2211210222122), we get a palindrome (4423430343244).

The spelling of 2212220121122 in words is "two trillion, two hundred twelve billion, two hundred twenty million, one hundred twenty-one thousand, one hundred twenty-two".