122011112002 has 16 divisors (see below), whose sum is σ = 198839080440. Its totient is φ = 55814476032.

The previous prime is 122011111979. The next prime is 122011112017. The reversal of 122011112002 is 200211110221.

It can be written as a sum of positive squares in 4 ways, for example, as 83248983841 + 38762128161 = 288529^2 + 196881^2 .

It is a super-2 number, since 2×122011112002² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 20761377 + ... + 20767252.

Almost surely, 2^122011112002 is an apocalyptic number.

122011112002 is a deficient number, since it is larger than the sum of its proper divisors (76827968438).

122011112002 is a wasteful number, since it uses less digits than its factorization.

122011112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41528757.

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

Adding to 122011112002 its reverse (200211110221), we get a palindrome (322222222223).

The spelling of 122011112002 in words is "one hundred twenty-two billion, eleven million, one hundred twelve thousand, two".