121110001023 has 8 divisors (see below), whose sum is σ = 176160001536. Its totient is φ = 73400000600.

The previous prime is 121110001003. The next prime is 121110001049. The reversal of 121110001023 is 320100011121.

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 121110001023 - 2¹² = 121109996927 is a prime.

It is a super-2 number, since 2×121110001023² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121110001003) 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, 1834999983 + ... + 1835000048.

It is an arithmetic number, because the mean of its divisors is an integer number (22020000192).

Almost surely, 2^121110001023 is an apocalyptic number.

121110001023 is a deficient number, since it is larger than the sum of its proper divisors (55050000513).

121110001023 is a wasteful number, since it uses less digits than its factorization.

121110001023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3670000045.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 121110001023 its reverse (320100011121), we get a palindrome (441210012144).

The spelling of 121110001023 in words is "one hundred twenty-one billion, one hundred ten million, one thousand, twenty-three".