2221131032212 has 48 divisors (see below), whose sum is σ = 4134977667072. Its totient is φ = 1041731998560.

The previous prime is 2221131032209. The next prime is 2221131032231. The reversal of 2221131032212 is 2122301311222.

It is a super-3 number, since 3×2221131032212³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 566637 + ... + 2182507.

It is an arithmetic number, because the mean of its divisors is an integer number (86145368064).

Almost surely, 2^{2221131032212} is an apocalyptic number.

It is an amenable number.

2221131032212 is a deficient number, since it is larger than the sum of its proper divisors (1913846634860).

2221131032212 is a wasteful number, since it uses less digits than its factorization.

2221131032212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616188 (or 1616186 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 2221131032212 its reverse (2122301311222), we get a palindrome (4343432343434).

The spelling of 2221131032212 in words is "two trillion, two hundred twenty-one billion, one hundred thirty-one million, thirty-two thousand, two hundred twelve".