11001211013021 has 8 divisors (see below), whose sum is σ = 11033117409600. Its totient is φ = 10969311630240.

The previous prime is 11001211013011. The next prime is 11001211013027. The reversal of 11001211013021 is 12031011210011.

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 11001211013021 - 2¹⁸ = 11001210750877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11001211012987 and 11001211013005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11001211013027) 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, 1396310 + ... + 4894088.

It is an arithmetic number, because the mean of its divisors is an integer number (1379139676200).

Almost surely, 2^{11001211013021} is an apocalyptic number.

It is an amenable number.

11001211013021 is a deficient number, since it is larger than the sum of its proper divisors (31906396579).

11001211013021 is an equidigital number, since it uses as much as digits as its factorization.

11001211013021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3506899.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 11001211013021 its reverse (12031011210011), we get a palindrome (23032222223032).

The spelling of 11001211013021 in words is "eleven trillion, one billion, two hundred eleven million, thirteen thousand, twenty-one".