121101222001023 has 72 divisors (see below), whose sum is σ = 196829759606480. Its totient is φ = 71672119833600.

The previous prime is 121101222000943. The next prime is 121101222001051. The reversal of 121101222001023 is 320100222101121.

It is not a de Polignac number, because 121101222001023 - 2¹⁰ = 121101221999999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121101222000987 and 121101222001005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121101222081023) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2676015 + ... + 15791247.

Almost surely, 2^{121101222001023} is an apocalyptic number.

121101222001023 is a deficient number, since it is larger than the sum of its proper divisors (75728537605457).

121101222001023 is a wasteful number, since it uses less digits than its factorization.

121101222001023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13115461 (or 13115447 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 121101222001023 its reverse (320100222101121), we get a palindrome (441201444102144).

The spelling of 121101222001023 in words is "one hundred twenty-one trillion, one hundred one billion, two hundred twenty-two million, one thousand, twenty-three".