20012122201122 has 24 divisors (see below), whose sum is σ = 45244798020864. Its totient is φ = 6380676643704.

The previous prime is 20012122201111. The next prime is 20012122201129. The reversal of 20012122201122 is 22110222121002.

It is a happy number.

20012122201122 is a `hidden beast` number, since 200 + 1 + 212 + 220 + 11 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20012122201095 and 20012122201104.

It is not an unprimeable number, because it can be changed into a prime (20012122201129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24169229298 + ... + 24169230125.

It is an arithmetic number, because the mean of its divisors is an integer number (1885199917536).

Almost surely, 2^{20012122201122} is an apocalyptic number.

20012122201122 is an abundant number, since it is smaller than the sum of its proper divisors (25232675819742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20012122201122 is a wasteful number, since it uses less digits than its factorization.

20012122201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48338459454 (or 48338459451 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 20012122201122 its reverse (22110222121002), we get a palindrome (42122344322124).

The spelling of 20012122201122 in words is "twenty trillion, twelve billion, one hundred twenty-two million, two hundred one thousand, one hundred twenty-two".