2112012202122 has 24 divisors (see below), whose sum is σ = 4576197656160. Its totient is φ = 703977726120.

The previous prime is 2112012202121. The next prime is 2112012202123. The reversal of 2112012202122 is 2212022102112.

It is a happy number.

2112012202122 is a `hidden beast` number, since 211 + 20 + 1 + 220 + 212 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (2112012202121) and next prime (2112012202123).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2112012202095 and 2112012202104.

It is not an unprimeable number, because it can be changed into a prime (2112012202121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1697622 + ... + 2665697.

It is an arithmetic number, because the mean of its divisors is an integer number (190674902340).

Almost surely, 2^{2112012202122} is an apocalyptic number.

2112012202122 is an abundant number, since it is smaller than the sum of its proper divisors (2464185454038).

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

2112012202122 is a wasteful number, since it uses less digits than its factorization.

2112012202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4390218 (or 4390215 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2112012202122 its reverse (2212022102112), we get a palindrome (4324034304234).

The spelling of 2112012202122 in words is "two trillion, one hundred twelve billion, twelve million, two hundred two thousand, one hundred twenty-two".