100122002001 has 24 divisors (see below), whose sum is σ = 165303444800. Its totient is φ = 57204722016.

The previous prime is 100122001963. The next prime is 100122002081. The reversal of 100122002001 is 100200221001.

It is a de Polignac number, because none of the positive numbers 2^k-100122002001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100122002081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 370326 + ... + 580848.

Almost surely, 2^100122002001 is an apocalyptic number.

It is an amenable number.

100122002001 is a deficient number, since it is larger than the sum of its proper divisors (65181442799).

100122002001 is a wasteful number, since it uses less digits than its factorization.

100122002001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218085 (or 218082 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 100122002001 its reverse (100200221001), we get a palindrome (200322223002).

The spelling of 100122002001 in words is "one hundred billion, one hundred twenty-two million, two thousand, one".