1001021012213 has 8 divisors (see below), whose sum is σ = 1002279935328. Its totient is φ = 999762879024.

The previous prime is 1001021012207. The next prime is 1001021012219. The reversal of 1001021012213 is 3122101201001.

It is an interprime number because it is at equal distance from previous prime (1001021012207) and next prime (1001021012219).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1001021012213 - 2³⁰ = 999947270389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001021012219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2359331 + ... + 2751087.

It is an arithmetic number, because the mean of its divisors is an integer number (125284991916).

Almost surely, 2^{1001021012213} is an apocalyptic number.

It is an amenable number.

1001021012213 is a deficient number, since it is larger than the sum of its proper divisors (1258923115).

1001021012213 is a wasteful number, since it uses less digits than its factorization.

1001021012213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394963.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1001021012213 its reverse (3122101201001), we get a palindrome (4123122213214).

The spelling of 1001021012213 in words is "one trillion, one billion, twenty-one million, twelve thousand, two hundred thirteen".