2112212120222 has 16 divisors (see below), whose sum is σ = 3231514338912. Its totient is φ = 1035212636640.

The previous prime is 2112212120201. The next prime is 2112212120231. The reversal of 2112212120222 is 2220212122112.

It is a super-2 number, since 2×2112212120222² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2112212120194 and 2112212120203.

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, 42965993 + ... + 43015124.

It is an arithmetic number, because the mean of its divisors is an integer number (201969646182).

Almost surely, 2^{2112212120222} is an apocalyptic number.

2112212120222 is a deficient number, since it is larger than the sum of its proper divisors (1119302218690).

2112212120222 is a wasteful number, since it uses less digits than its factorization.

2112212120222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85981363.

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

Adding to 2112212120222 its reverse (2220212122112), we get a palindrome (4332424242334).

The spelling of 2112212120222 in words is "two trillion, one hundred twelve billion, two hundred twelve million, one hundred twenty thousand, two hundred twenty-two".