211211000221112 has 32 divisors (see below), whose sum is σ = 396083937469680. Its totient is φ = 105588618220800.

The previous prime is 211211000221099. The next prime is 211211000221147. The reversal of 211211000221112 is 211122000112112.

It is a super-2 number, since 2×211211000221112² (a number of 29 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 1552805618 + ... + 1552941630.

Almost surely, 2^{211211000221112} is an apocalyptic number.

It is an amenable number.

211211000221112 is a deficient number, since it is larger than the sum of its proper divisors (184872937248568).

211211000221112 is a wasteful number, since it uses less digits than its factorization.

211211000221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165623 (or 165619 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 211211000221112 its reverse (211122000112112), we get a palindrome (422333000333224).

The spelling of 211211000221112 in words is "two hundred eleven trillion, two hundred eleven billion, two hundred twenty-one thousand, one hundred twelve".