1001202021004 has 12 divisors (see below), whose sum is σ = 1753706566864. Its totient is φ = 500143001904.

The previous prime is 1001202020953. The next prime is 1001202021023. The reversal of 1001202021004 is 4001202021001.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114497232 + ... + 114505975.

Almost surely, 2^{1001202021004} is an apocalyptic number.

It is an amenable number.

1001202021004 is a deficient number, since it is larger than the sum of its proper divisors (752504545860).

1001202021004 is a wasteful number, since it uses less digits than its factorization.

1001202021004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229004304 (or 229004302 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1001202021004 its reverse (4001202021001), we get a palindrome (5002404042005).

The spelling of 1001202021004 in words is "one trillion, one billion, two hundred two million, twenty-one thousand, four".