122002020211 has 4 divisors (see below), whose sum is σ = 122004697024. Its totient is φ = 121999343400.

The previous prime is 122002020187. The next prime is 122002020229. The reversal of 122002020211 is 112020200221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112020200221 = 199 ⋅562915579.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122002020211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122002020191 and 122002020200.

It is not an unprimeable number, because it can be changed into a prime (122002020241) 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, 1268835 + ... + 1361596.

It is an arithmetic number, because the mean of its divisors is an integer number (30501174256).

Almost surely, 2^122002020211 is an apocalyptic number.

122002020211 is a deficient number, since it is larger than the sum of its proper divisors (2676813).

122002020211 is an equidigital number, since it uses as much as digits as its factorization.

122002020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2676812.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 122002020211 its reverse (112020200221), we get a palindrome (234022220432).

The spelling of 122002020211 in words is "one hundred twenty-two billion, two million, twenty thousand, two hundred eleven".