121120131122023 has 16 divisors (see below), whose sum is σ = 136701746163360. Its totient is φ = 106301101244800.

The previous prime is 121120131122009. The next prime is 121120131122033. The reversal of 121120131122023 is 320221131021121.

It is a happy number.

It is not a de Polignac number, because 121120131122023 - 2¹³ = 121120131113831 is a prime.

It is a super-2 number, since 2×121120131122023² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121120131121985 and 121120131122003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121120131122033) 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, 17047840 + ... + 23083957.

It is an arithmetic number, because the mean of its divisors is an integer number (8543859135210).

Almost surely, 2^{121120131122023} is an apocalyptic number.

121120131122023 is a deficient number, since it is larger than the sum of its proper divisors (15581615041337).

121120131122023 is a wasteful number, since it uses less digits than its factorization.

121120131122023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40141298.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 121120131122023 its reverse (320221131021121), we get a palindrome (441341262143144).

The spelling of 121120131122023 in words is "one hundred twenty-one trillion, one hundred twenty billion, one hundred thirty-one million, one hundred twenty-two thousand, twenty-three".