121101023 has 2 divisors, whose sum is σ = 121101024. Its totient is φ = 121101022.

The previous prime is 121101011. The next prime is 121101031. The reversal of 121101023 is 320101121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 121101023 - 2¹⁰ = 121099999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121100995 and 121101013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121101053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60550511 + 60550512.

It is an arithmetic number, because the mean of its divisors is an integer number (60550512).

Almost surely, 2^121101023 is an apocalyptic number.

121101023 is a deficient number, since it is larger than the sum of its proper divisors (1).

121101023 is an equidigital number, since it uses as much as digits as its factorization.

121101023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 121101023 is about 11004.5909964887. The cubic root of 121101023 is about 494.7463557845.

Adding to 121101023 its reverse (320101121), we get a palindrome (441202144).

The spelling of 121101023 in words is "one hundred twenty-one million, one hundred one thousand, twenty-three".