120001122122 has 16 divisors (see below), whose sum is σ = 207753005952. Its totient is φ = 50919853200.

The previous prime is 120001122121. The next prime is 120001122133. The reversal of 120001122122 is 221221100021.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 120001122097 and 120001122106.

It is not an unprimeable number, because it can be changed into a prime (120001122121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42431798 + ... + 42434625.

It is an arithmetic number, because the mean of its divisors is an integer number (12984562872).

Almost surely, 2^120001122122 is an apocalyptic number.

120001122122 is a deficient number, since it is larger than the sum of its proper divisors (87751883830).

120001122122 is a wasteful number, since it uses less digits than its factorization.

120001122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84866533.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120001122122 its reverse (221221100021), we get a palindrome (341222222143).

The spelling of 120001122122 in words is "one hundred twenty billion, one million, one hundred twenty-two thousand, one hundred twenty-two".