122002112111 has 32 divisors (see below), whose sum is σ = 142647160320. Its totient is φ = 103224844800.

The previous prime is 122002112083. The next prime is 122002112147. The reversal of 122002112111 is 111211200221.

It is not a de Polignac number, because 122002112111 - 2¹⁰ = 122002111087 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 (122002112311) 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, 3915851 + ... + 3946883.

It is an arithmetic number, because the mean of its divisors is an integer number (4457723760).

Almost surely, 2^122002112111 is an apocalyptic number.

122002112111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

122002112111 is a deficient number, since it is larger than the sum of its proper divisors (20645048209).

122002112111 is a wasteful number, since it uses less digits than its factorization.

122002112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31487.

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

Adding to 122002112111 its reverse (111211200221), we get a palindrome (233213312332).

The spelling of 122002112111 in words is "one hundred twenty-two billion, two million, one hundred twelve thousand, one hundred eleven".