1122120100121 has 8 divisors (see below), whose sum is σ = 1197196840224. Its totient is φ = 1048051101760.

The previous prime is 1122120100117. The next prime is 1122120100159. The reversal of 1122120100121 is 1210010212211.

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

It is a cyclic number.

It is not a de Polignac number, because 1122120100121 - 2² = 1122120100117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1122120100096 and 1122120100105.

It is not an unprimeable number, because it can be changed into a prime (1122120100721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251933135 + ... + 251937588.

It is an arithmetic number, because the mean of its divisors is an integer number (149649605028).

Almost surely, 2^{1122120100121} is an apocalyptic number.

It is an amenable number.

1122120100121 is a deficient number, since it is larger than the sum of its proper divisors (75076740103).

1122120100121 is a wasteful number, since it uses less digits than its factorization.

1122120100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503870871.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1122120100121 its reverse (1210010212211), we get a palindrome (2332130312332).

The spelling of 1122120100121 in words is "one trillion, one hundred twenty-two billion, one hundred twenty million, one hundred thousand, one hundred twenty-one".