11211100011021 has 16 divisors (see below), whose sum is σ = 14983349629248. Its totient is φ = 7456464576000.

The previous prime is 11211100010983. The next prime is 11211100011071. The reversal of 11211100011021 is 12011000111211.

It is not a de Polignac number, because 11211100011021 - 2¹⁴ = 11211099994637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11211100010988 and 11211100011006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211100011071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6697821 + ... + 8202621.

It is an arithmetic number, because the mean of its divisors is an integer number (936459351828).

Almost surely, 2^{11211100011021} is an apocalyptic number.

It is an amenable number.

11211100011021 is a deficient number, since it is larger than the sum of its proper divisors (3772249618227).

11211100011021 is a wasteful number, since it uses less digits than its factorization.

11211100011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510652.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11211100011021 its reverse (12011000111211), we get a palindrome (23222100122232).

The spelling of 11211100011021 in words is "eleven trillion, two hundred eleven billion, one hundred million, eleven thousand, twenty-one".