20122002110111 has 32 divisors (see below), whose sum is σ = 22860336844800. Its totient is φ = 17550134496000.

The previous prime is 20122002110069. The next prime is 20122002110123. The reversal of 20122002110111 is 11101120022102.

It is a cyclic number.

It is not a de Polignac number, because 20122002110111 - 2³⁰ = 20120928368287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122002110411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128645810 + ... + 128802128.

It is an arithmetic number, because the mean of its divisors is an integer number (714385526400).

Almost surely, 2^{20122002110111} is an apocalyptic number.

20122002110111 is a deficient number, since it is larger than the sum of its proper divisors (2738334734689).

20122002110111 is a wasteful number, since it uses less digits than its factorization.

20122002110111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161111.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20122002110111 its reverse (11101120022102), we get a palindrome (31223122132213).

The spelling of 20122002110111 in words is "twenty trillion, one hundred twenty-two billion, two million, one hundred ten thousand, one hundred eleven".