2111100121222 has 8 divisors (see below), whose sum is σ = 3166680263616. Its totient is φ = 1055540033352.

The previous prime is 2111100121199. The next prime is 2111100121223. The reversal of 2111100121222 is 2221210011112.

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 = 2111100121196 and 2111100121205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111100121223) by changing a digit.

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, 4747638 + ... + 5173225.

It is an arithmetic number, because the mean of its divisors is an integer number (395835032952).

Almost surely, 2^{2111100121222} is an apocalyptic number.

2111100121222 is a deficient number, since it is larger than the sum of its proper divisors (1055580142394).

2111100121222 is a wasteful number, since it uses less digits than its factorization.

2111100121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10027262.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2111100121222 its reverse (2221210011112), we get a palindrome (4332310132334).

It can be divided in two parts, 2111100 and 121222, that added together give a palindrome (2232322).

The spelling of 2111100121222 in words is "two trillion, one hundred eleven billion, one hundred million, one hundred twenty-one thousand, two hundred twenty-two".