201100122002 has 32 divisors (see below), whose sum is σ = 326083701888. Its totient is φ = 92464759296.

The previous prime is 201100122001. The next prime is 201100122121. The reversal of 201100122002 is 200221001102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (201100122001) 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 15 ways as a sum of consecutive naturals, for example, 7738643 + ... + 7764585.

It is an arithmetic number, because the mean of its divisors is an integer number (10190115684).

Almost surely, 2^201100122002 is an apocalyptic number.

201100122002 is a deficient number, since it is larger than the sum of its proper divisors (124983579886).

201100122002 is a wasteful number, since it uses less digits than its factorization.

201100122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27074.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 201100122002 its reverse (200221001102), we get a palindrome (401321123104).

The spelling of 201100122002 in words is "two hundred one billion, one hundred million, one hundred twenty-two thousand, two".