20122002001111 has 4 divisors (see below), whose sum is σ = 20126780443224. Its totient is φ = 20117223559000.

The previous prime is 20122002001093. The next prime is 20122002001121. The reversal of 20122002001111 is 11110020022102.

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 20122002001111 - 2¹⁷ = 20122001870039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20122002001091 and 20122002001100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122002001121) 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, 2389214740 + ... + 2389223161.

It is an arithmetic number, because the mean of its divisors is an integer number (5031695110806).

Almost surely, 2^{20122002001111} is an apocalyptic number.

20122002001111 is a deficient number, since it is larger than the sum of its proper divisors (4778442113).

20122002001111 is an equidigital number, since it uses as much as digits as its factorization.

20122002001111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4778442112.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20122002001111 its reverse (11110020022102), we get a palindrome (31232022023213).

The spelling of 20122002001111 in words is "twenty trillion, one hundred twenty-two billion, two million, one thousand, one hundred eleven".