20122002211122 has 48 divisors (see below), whose sum is σ = 49834966272000. Its totient is φ = 5748098561856.

The previous prime is 20122002211121. The next prime is 20122002211247. The reversal of 20122002211122 is 22111220022102.

It is a happy number.

20122002211122 is a `hidden beast` number, since 201 + 220 + 0 + 221 + 1 + 1 + 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 = 20122002211095 and 20122002211104.

It is not an unprimeable number, because it can be changed into a prime (20122002211121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13816747 + ... + 15203502.

It is an arithmetic number, because the mean of its divisors is an integer number (1038228464000).

Almost surely, 2^{20122002211122} is an apocalyptic number.

20122002211122 is an abundant number, since it is smaller than the sum of its proper divisors (29712964060878).

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

20122002211122 is a wasteful number, since it uses less digits than its factorization.

20122002211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29025767 (or 29025764 counting only the distinct ones).

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

Adding to 20122002211122 its reverse (22111220022102), we get a palindrome (42233222233224).

The spelling of 20122002211122 in words is "twenty trillion, one hundred twenty-two billion, two million, two hundred eleven thousand, one hundred twenty-two".