121110220221011 has 8 divisors (see below), whose sum is σ = 138415334603520. Its totient is φ = 103806019426248.

The previous prime is 121110220220999. The next prime is 121110220221079. The reversal of 121110220221011 is 110122022011121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121110220221011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121110220221611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228112841 + ... + 228643146.

It is an arithmetic number, because the mean of its divisors is an integer number (17301916825440).

Almost surely, 2^{121110220221011} is an apocalyptic number.

121110220221011 is a deficient number, since it is larger than the sum of its proper divisors (17305114382509).

121110220221011 is an equidigital number, since it uses as much as digits as its factorization.

121110220221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456793873.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 121110220221011 its reverse (110122022011121), we get a palindrome (231232242232132).

The spelling of 121110220221011 in words is "one hundred twenty-one trillion, one hundred ten billion, two hundred twenty million, two hundred twenty-one thousand, eleven".