2200222121012 has 12 divisors (see below), whose sum is σ = 3850777669956. Its totient is φ = 1099999929600.

The previous prime is 2200222121003. The next prime is 2200222121021. The reversal of 2200222121012 is 2101212220022.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2200222121003) and next prime (2200222121021).

It can be written as a sum of positive squares in 2 ways, for example, as 1205068235536 + 995153885476 = 1097756^2 + 997574^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27738173 + ... + 27817380.

It is an arithmetic number, because the mean of its divisors is an integer number (320898139163).

Almost surely, 2^{2200222121012} is an apocalyptic number.

It is an amenable number.

2200222121012 is a deficient number, since it is larger than the sum of its proper divisors (1650555548944).

2200222121012 is a wasteful number, since it uses less digits than its factorization.

2200222121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55565458 (or 55565456 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2200222121012 its reverse (2101212220022), we get a palindrome (4301434341034).

The spelling of 2200222121012 in words is "two trillion, two hundred billion, two hundred twenty-two million, one hundred twenty-one thousand, twelve".