121100023 has 8 divisors (see below), whose sum is σ = 132529680. Its totient is φ = 109740480.

The previous prime is 121100017. The next prime is 121100029. The reversal of 121100023 is 320001121.

It is an interprime number because it is at equal distance from previous prime (121100017) and next prime (121100029).

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 121100023 - 2¹⁷ = 120968951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121099982 and 121100009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121100029) 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, 13878 + ... + 20851.

It is an arithmetic number, because the mean of its divisors is an integer number (16566210).

Almost surely, 2^121100023 is an apocalyptic number.

121100023 is a deficient number, since it is larger than the sum of its proper divisors (11429657).

121100023 is a wasteful number, since it uses less digits than its factorization.

121100023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35057.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 121100023 is about 11004.5455608126. The cubic root of 121100023 is about 494.7449939801.

Adding to 121100023 its reverse (320001121), we get a palindrome (441101144).

The spelling of 121100023 in words is "one hundred twenty-one million, one hundred thousand, twenty-three".