211100013021 has 8 divisors (see below), whose sum is σ = 285667679584. Its totient is φ = 138632844240.

The previous prime is 211100013001. The next prime is 211100013049. The reversal of 211100013021 is 120310001112.

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

It is not a de Polignac number, because 211100013021 - 2¹⁸ = 211099750877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211100012988 and 211100013006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211100013001) 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, 525124210 + ... + 525124611.

It is an arithmetic number, because the mean of its divisors is an integer number (35708459948).

Almost surely, 2^211100013021 is an apocalyptic number.

It is an amenable number.

211100013021 is a deficient number, since it is larger than the sum of its proper divisors (74567666563).

211100013021 is a wasteful number, since it uses less digits than its factorization.

211100013021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1050248891.

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

Adding to 211100013021 its reverse (120310001112), we get a palindrome (331410014133).

The spelling of 211100013021 in words is "two hundred eleven billion, one hundred million, thirteen thousand, twenty-one".