1101222122121 has 40 divisors (see below), whose sum is σ = 1889036028000. Its totient is φ = 632280634560.

The previous prime is 1101222122111. The next prime is 1101222122171. The reversal of 1101222122121 is 1212212221011.

It is not a de Polignac number, because 1101222122121 - 2⁵ = 1101222122089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1101222122094 and 1101222122103.

It is not an unprimeable number, because it can be changed into a prime (1101222122111) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 32507796 + ... + 32541653.

It is an arithmetic number, because the mean of its divisors is an integer number (47225900700).

Almost surely, 2^{1101222122121} is an apocalyptic number.

1101222122121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1101222122121 is a deficient number, since it is larger than the sum of its proper divisors (787813905879).

1101222122121 is a wasteful number, since it uses less digits than its factorization.

1101222122121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65049491 (or 65049482 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 1101222122121 its reverse (1212212221011), we get a palindrome (2313434343132).

The spelling of 1101222122121 in words is "one trillion, one hundred one billion, two hundred twenty-two million, one hundred twenty-two thousand, one hundred twenty-one".