2112210222122 has 48 divisors (see below), whose sum is σ = 4277335315392. Its totient is φ = 759636034560.

The previous prime is 2112210222113. The next prime is 2112210222137. The reversal of 2112210222122 is 2212220122112.

It is a super-2 number, since 2×2112210222122² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2112210222094 and 2112210222103.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40552823 + ... + 40604874.

It is an arithmetic number, because the mean of its divisors is an integer number (89111152404).

Almost surely, 2^{2112210222122} is an apocalyptic number.

2112210222122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2112210222122 is an abundant number, since it is smaller than the sum of its proper divisors (2165125093270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2112210222122 is a wasteful number, since it uses less digits than its factorization.

2112210222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81157743 (or 81157730 counting only the distinct ones).

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

Adding to 2112210222122 its reverse (2212220122112), we get a palindrome (4324430344234).

It can be divided in two parts, 2112210 and 222122, that added together give a palindrome (2334332).

The spelling of 2112210222122 in words is "two trillion, one hundred twelve billion, two hundred ten million, two hundred twenty-two thousand, one hundred twenty-two".