11212031003021 has 8 divisors (see below), whose sum is σ = 11971592255040. Its totient is φ = 10475143221312.

The previous prime is 11212031003003. The next prime is 11212031003027. The reversal of 11212031003021 is 12030013021211.

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 11212031003021 - 2³⁰ = 11210957261197 is a prime.

It is a super-2 number, since 2×11212031003021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212031003027) 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, 5668366556 + ... + 5668368533.

It is an arithmetic number, because the mean of its divisors is an integer number (1496449031880).

Almost surely, 2^{11212031003021} is an apocalyptic number.

It is an amenable number.

11212031003021 is a deficient number, since it is larger than the sum of its proper divisors (759561252019).

11212031003021 is a wasteful number, since it uses less digits than its factorization.

11212031003021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11336735155.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11212031003021 its reverse (12030013021211), we get a palindrome (23242044024232).

The spelling of 11212031003021 in words is "eleven trillion, two hundred twelve billion, thirty-one million, three thousand, twenty-one".