122020002011 has 4 divisors (see below), whose sum is σ = 128442107400. Its totient is φ = 115597896624.

The previous prime is 122020002001. The next prime is 122020002019. The reversal of 122020002011 is 110200020221.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 122020002011 - 2²⁶ = 121952893147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122020001983 and 122020002001.

It is not an unprimeable number, because it can be changed into a prime (122020002019) 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, 3211052666 + ... + 3211052703.

It is an arithmetic number, because the mean of its divisors is an integer number (32110526850).

Almost surely, 2^122020002011 is an apocalyptic number.

122020002011 is a deficient number, since it is larger than the sum of its proper divisors (6422105389).

122020002011 is an equidigital number, since it uses as much as digits as its factorization.

122020002011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6422105388.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 122020002011 its reverse (110200020221), we get a palindrome (232220022232).

The spelling of 122020002011 in words is "one hundred twenty-two billion, twenty million, two thousand, eleven".