122002201123 has 4 divisors (see below), whose sum is σ = 133093310328. Its totient is φ = 110911091920.

The previous prime is 122002201051. The next prime is 122002201133. The reversal of 122002201123 is 321102200221.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122002201123 is a prime.

It is a super-2 number, since 2×122002201123² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122002201097 and 122002201106.

It is not an unprimeable number, because it can be changed into a prime (122002201133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5545554586 + ... + 5545554607.

It is an arithmetic number, because the mean of its divisors is an integer number (33273327582).

Almost surely, 2^122002201123 is an apocalyptic number.

122002201123 is a deficient number, since it is larger than the sum of its proper divisors (11091109205).

122002201123 is a wasteful number, since it uses less digits than its factorization.

122002201123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11091109204.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 122002201123 its reverse (321102200221), we get a palindrome (443104401344).

The spelling of 122002201123 in words is "one hundred twenty-two billion, two million, two hundred one thousand, one hundred twenty-three".