20122122201112 has 8 divisors (see below), whose sum is σ = 37728979127100. Its totient is φ = 10061061100552.

The previous prime is 20122122201109. The next prime is 20122122201151. The reversal of 20122122201112 is 21110222122102.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 20122122201112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1257632637562 + ... + 1257632637577.

Almost surely, 2^{20122122201112} is an apocalyptic number.

It is an amenable number.

20122122201112 is a deficient number, since it is larger than the sum of its proper divisors (17606856925988).

20122122201112 is a wasteful number, since it uses less digits than its factorization.

20122122201112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2515265275145 (or 2515265275141 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 20122122201112 its reverse (21110222122102), we get a palindrome (41232344323214).

The spelling of 20122122201112 in words is "twenty trillion, one hundred twenty-two billion, one hundred twenty-two million, two hundred one thousand, one hundred twelve".