123333001222121 has 16 divisors (see below), whose sum is σ = 131223109636608. Its totient is φ = 115727890320000.

The previous prime is 123333001222097. The next prime is 123333001222133. The reversal of 123333001222121 is 121222100333321.

It is a cyclic number.

It is not a de Polignac number, because 123333001222121 - 2¹⁰ = 123333001221097 is a prime.

It is a super-2 number, since 2×123333001222121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123333001222021) 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, 337492130 + ... + 337857371.

It is an arithmetic number, because the mean of its divisors is an integer number (8201444352288).

Almost surely, 2^{123333001222121} is an apocalyptic number.

It is an amenable number.

123333001222121 is a deficient number, since it is larger than the sum of its proper divisors (7890108414487).

123333001222121 is a wasteful number, since it uses less digits than its factorization.

123333001222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675349712.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 123333001222121 its reverse (121222100333321), we get a palindrome (244555101555442).

The spelling of 123333001222121 in words is "one hundred twenty-three trillion, three hundred thirty-three billion, one million, two hundred twenty-two thousand, one hundred twenty-one".