2212102121000 has 32 divisors (see below), whose sum is σ = 5176318965480. Its totient is φ = 884840848000.

The previous prime is 2212102120981. The next prime is 2212102121003. The reversal of 2212102121000 is 1212012122.

It can be written as a sum of positive squares in 4 ways, for example, as 840922012324 + 1371180108676 = 917018^2 + 1170974^2 .

It is not an unprimeable number, because it can be changed into a prime (2212102121003) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1106050061 + ... + 1106052060.

Almost surely, 2^{2212102121000} is an apocalyptic number.

2212102121000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212102121000 is an abundant number, since it is smaller than the sum of its proper divisors (2964216844480).

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

2212102121000 is a wasteful number, since it uses less digits than its factorization.

2212102121000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2212102142 (or 2212102128 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2212102121000 its reverse (1212012122), we get a palindrome (2213314133122).

The spelling of 2212102121000 in words is "two trillion, two hundred twelve billion, one hundred two million, one hundred twenty-one thousand".