2112222212202 has 48 divisors (see below), whose sum is σ = 4298138886240. Its totient is φ = 691998865824.

The previous prime is 2112222212179. The next prime is 2112222212203. The reversal of 2112222212202 is 2022122222112.

It is a super-2 number, since 2×2112222212202² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2112222212203) 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 23 ways as a sum of consecutive naturals, for example, 164637924 + ... + 164650752.

It is an arithmetic number, because the mean of its divisors is an integer number (89544560130).

Almost surely, 2^{2112222212202} is an apocalyptic number.

2112222212202 is an abundant number, since it is smaller than the sum of its proper divisors (2185916674038).

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

2112222212202 is a wasteful number, since it uses less digits than its factorization.

2112222212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20835 (or 20776 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 2112222212202 its reverse (2022122222112), we get a palindrome (4134344434314).

The spelling of 2112222212202 in words is "two trillion, one hundred twelve billion, two hundred twenty-two million, two hundred twelve thousand, two hundred two".