121330220011123 has 16 divisors (see below), whose sum is σ = 127799833659520. Its totient is φ = 114869012003136.

The previous prime is 121330220011097. The next prime is 121330220011127. The reversal of 121330220011123 is 321110022033121.

It is a cyclic number.

It is not a de Polignac number, because 121330220011123 - 2¹³ = 121330220002931 is a prime.

It is a super-2 number, since 2×121330220011123² (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 = 121330220011094 and 121330220011103.

It is not an unprimeable number, because it can be changed into a prime (121330220011127) 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, 180479911 + ... + 181150927.

It is an arithmetic number, because the mean of its divisors is an integer number (7987489603720).

Almost surely, 2^{121330220011123} is an apocalyptic number.

121330220011123 is a deficient number, since it is larger than the sum of its proper divisors (6469613648397).

121330220011123 is a wasteful number, since it uses less digits than its factorization.

121330220011123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677266.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 121330220011123 its reverse (321110022033121), we get a palindrome (442440242044244).

The spelling of 121330220011123 in words is "one hundred twenty-one trillion, three hundred thirty billion, two hundred twenty million, eleven thousand, one hundred twenty-three".