121120101023 has 16 divisors (see below), whose sum is σ = 125453260800. Its totient is φ = 116813996640.

The previous prime is 121120101019. The next prime is 121120101077. The reversal of 121120101023 is 320101021121.

It is not a de Polignac number, because 121120101023 - 2² = 121120101019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121120100989 and 121120101007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121120101083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29589965 + ... + 29594057.

It is an arithmetic number, because the mean of its divisors is an integer number (7840828800).

Almost surely, 2^121120101023 is an apocalyptic number.

121120101023 is a deficient number, since it is larger than the sum of its proper divisors (4333159777).

121120101023 is a wasteful number, since it uses less digits than its factorization.

121120101023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7142.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 121120101023 its reverse (320101021121), we get a palindrome (441221122144).

The spelling of 121120101023 in words is "one hundred twenty-one billion, one hundred twenty million, one hundred one thousand, twenty-three".