2212012121022 has 24 divisors (see below), whose sum is σ = 5228392286520. Its totient is φ = 670306703280.

The previous prime is 2212012120991. The next prime is 2212012121029. The reversal of 2212012121022 is 2201212102122.

It is a happy number.

2212012121022 is a `hidden beast` number, since 221 + 201 + 212 + 10 + 22 = 666.

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 = 2212012120986 and 2212012121004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212012121029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5585888997 + ... + 5585889392.

It is an arithmetic number, because the mean of its divisors is an integer number (217849678605).

Almost surely, 2^{2212012121022} is an apocalyptic number.

2212012121022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2212012121022 is an abundant number, since it is smaller than the sum of its proper divisors (3016380165498).

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

2212012121022 is a wasteful number, since it uses less digits than its factorization.

2212012121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11171778408 (or 11171778405 counting only the distinct ones).

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

Adding to 2212012121022 its reverse (2201212102122), we get a palindrome (4413224223144).

The spelling of 2212012121022 in words is "two trillion, two hundred twelve billion, twelve million, one hundred twenty-one thousand, twenty-two".