221111121111122 has 96 divisors (see below), whose sum is σ = 374915956326912. Its totient is φ = 97669224576000.

The previous prime is 221111121111103. The next prime is 221111121111161.

221111121111122 is nontrivially palindromic in base 10.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 221111121111094 and 221111121111103.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17684639123 + ... + 17684651625.

It is an arithmetic number, because the mean of its divisors is an integer number (3905374545072).

Almost surely, 2^{221111121111122} is an apocalyptic number.

221111121111122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221111121111122 is a deficient number, since it is larger than the sum of its proper divisors (153804835215790).

221111121111122 is a wasteful number, since it uses less digits than its factorization.

221111121111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19416 (or 19405 counting only the distinct ones).

The product of its digits is 32, while the sum is 20.

The spelling of 221111121111122 in words is "two hundred twenty-one trillion, one hundred eleven billion, one hundred twenty-one million, one hundred eleven thousand, one hundred twenty-two".