1001202121124 has 24 divisors (see below), whose sum is σ = 1752994575360. Its totient is φ = 500346608544.

The previous prime is 1001202121091. The next prime is 1001202121151. The reversal of 1001202121124 is 4211212021001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107155997 + ... + 107165339.

It is an arithmetic number, because the mean of its divisors is an integer number (73041440640).

Almost surely, 2^{1001202121124} is an apocalyptic number.

It is an amenable number.

1001202121124 is a deficient number, since it is larger than the sum of its proper divisors (751792454236).

1001202121124 is a wasteful number, since it uses less digits than its factorization.

1001202121124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20099 (or 20097 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1001202121124 its reverse (4211212021001), we get a palindrome (5212414142125).

The spelling of 1001202121124 in words is "one trillion, one billion, two hundred two million, one hundred twenty-one thousand, one hundred twenty-four".