121022223030123 has 16 divisors (see below), whose sum is σ = 166928077005600. Its totient is φ = 77898954631680.

The previous prime is 121022223030109. The next prime is 121022223030139. The reversal of 121022223030123 is 321030322220121.

It is not a de Polignac number, because 121022223030123 - 2¹² = 121022223026027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121022223030093 and 121022223030102.

It is not an unprimeable number, because it can be changed into a prime (121022213030123) 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, 13562313 + ... + 20639301.

It is an arithmetic number, because the mean of its divisors is an integer number (10433004812850).

Almost surely, 2^{121022223030123} is an apocalyptic number.

121022223030123 is a deficient number, since it is larger than the sum of its proper divisors (45905853975477).

121022223030123 is a wasteful number, since it uses less digits than its factorization.

121022223030123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7273582.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 121022223030123 its reverse (321030322220121), we get a palindrome (442052545250244).

The spelling of 121022223030123 in words is "one hundred twenty-one trillion, twenty-two billion, two hundred twenty-three million, thirty thousand, one hundred twenty-three".