20121101122 has 16 divisors (see below), whose sum is σ = 30557862720. Its totient is φ = 9935749008.

The previous prime is 20121101113. The next prime is 20121101129. The reversal of 20121101122 is 22110112102.

It is not an unprimeable number, because it can be changed into a prime (20121101129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83398 + ... + 217249.

It is an arithmetic number, because the mean of its divisors is an integer number (1909866420).

Almost surely, 2^20121101122 is an apocalyptic number.

20121101122 is a deficient number, since it is larger than the sum of its proper divisors (10436761598).

20121101122 is a wasteful number, since it uses less digits than its factorization.

20121101122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301065.

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

Adding to 20121101122 its reverse (22110112102), we get a palindrome (42231213224).

The spelling of 20121101122 in words is "twenty billion, one hundred twenty-one million, one hundred one thousand, one hundred twenty-two".