122002122211 has 4 divisors (see below), whose sum is σ = 122534882800. Its totient is φ = 121469361624.

The previous prime is 122002122173. The next prime is 122002122227. The reversal of 122002122211 is 112221200221.

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-122002122211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122002122811) 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, 266379951 + ... + 266380408.

It is an arithmetic number, because the mean of its divisors is an integer number (30633720700).

Almost surely, 2^122002122211 is an apocalyptic number.

122002122211 is a deficient number, since it is larger than the sum of its proper divisors (532760589).

122002122211 is an equidigital number, since it uses as much as digits as its factorization.

122002122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532760588.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122002122211 its reverse (112221200221), we get a palindrome (234223322432).

The spelling of 122002122211 in words is "one hundred twenty-two billion, two million, one hundred twenty-two thousand, two hundred eleven".