2111022221222 has 8 divisors (see below), whose sum is σ = 3178854473976. Its totient is φ = 1051404063232.

The previous prime is 2111022221177. The next prime is 2111022221293. The reversal of 2111022221222 is 2221222201112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2111022221194 and 2111022221203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2053523048 + ... + 2053524075.

It is an arithmetic number, because the mean of its divisors is an integer number (397356809247).

Almost surely, 2^{2111022221222} is an apocalyptic number.

2111022221222 is a deficient number, since it is larger than the sum of its proper divisors (1067832252754).

2111022221222 is a wasteful number, since it uses less digits than its factorization.

2111022221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4107047382.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2111022221222 its reverse (2221222201112), we get a palindrome (4332244422334).

The spelling of 2111022221222 in words is "two trillion, one hundred eleven billion, twenty-two million, two hundred twenty-one thousand, two hundred twenty-two".