1001021012092 has 24 divisors (see below), whose sum is σ = 1788745847616. Its totient is φ = 490050862848.

The previous prime is 1001021012087. The next prime is 1001021012093. The reversal of 1001021012092 is 2902101201001.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001021012093) 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 7 ways as a sum of consecutive naturals, for example, 12471508 + ... + 12551515.

It is an arithmetic number, because the mean of its divisors is an integer number (74531076984).

Almost surely, 2^{1001021012092} is an apocalyptic number.

It is an amenable number.

1001021012092 is a deficient number, since it is larger than the sum of its proper divisors (787724835524).

1001021012092 is a wasteful number, since it uses less digits than its factorization.

1001021012092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25023237 (or 25023235 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1001021012092 its reverse (2902101201001), we get a palindrome (3903122213093).

The spelling of 1001021012092 in words is "one trillion, one billion, twenty-one million, twelve thousand, ninety-two".