1111022110121 has 64 divisors (see below), whose sum is σ = 1405555200000. Its totient is φ = 853112113920.

The previous prime is 1111022110097. The next prime is 1111022110123. The reversal of 1111022110121 is 1210112201111.

It is not a de Polignac number, because 1111022110121 - 2¹⁰ = 1111022109097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1111022110096 and 1111022110105.

It is not an unprimeable number, because it can be changed into a prime (1111022110123) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1340195135 + ... + 1340195963.

It is an arithmetic number, because the mean of its divisors is an integer number (21961800000).

Almost surely, 2^{1111022110121} is an apocalyptic number.

1111022110121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1111022110121 is a deficient number, since it is larger than the sum of its proper divisors (294533089879).

1111022110121 is a wasteful number, since it uses less digits than its factorization.

1111022110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1782.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1111022110121 its reverse (1210112201111), we get a palindrome (2321134311232).

The spelling of 1111022110121 in words is "one trillion, one hundred eleven billion, twenty-two million, one hundred ten thousand, one hundred twenty-one".