122002011221 has 8 divisors (see below), whose sum is σ = 123308332224. Its totient is φ = 120696681600.

The previous prime is 122002011203. The next prime is 122002011227. The reversal of 122002011221 is 122110200221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122002011221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122002011196 and 122002011205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122002011227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 926 + ... + 493968.

It is an arithmetic number, because the mean of its divisors is an integer number (15413541528).

Almost surely, 2^122002011221 is an apocalyptic number.

It is an amenable number.

122002011221 is a deficient number, since it is larger than the sum of its proper divisors (1306321003).

122002011221 is an equidigital number, since it uses as much as digits as its factorization.

122002011221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495691.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122002011221 its reverse (122110200221), we get a palindrome (244112211442).

The spelling of 122002011221 in words is "one hundred twenty-two billion, two million, eleven thousand, two hundred twenty-one".