211110020211021 has 8 divisors (see below), whose sum is σ = 281505943576224. Its totient is φ = 140727055159920.

The previous prime is 211110020210987. The next prime is 211110020211037. The reversal of 211110020211021 is 120112020011112.

It is a happy number.

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

It is not a de Polignac number, because 211110020211021 - 2⁷ = 211110020210893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211110020211421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3239540511 + ... + 3239605676.

It is an arithmetic number, because the mean of its divisors is an integer number (35188242947028).

Almost surely, 2^{211110020211021} is an apocalyptic number.

It is an amenable number.

211110020211021 is a deficient number, since it is larger than the sum of its proper divisors (70395923365203).

211110020211021 is a wasteful number, since it uses less digits than its factorization.

211110020211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6479157051.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 211110020211021 its reverse (120112020011112), we get a palindrome (331222040222133).

The spelling of 211110020211021 in words is "two hundred eleven trillion, one hundred ten billion, twenty million, two hundred eleven thousand, twenty-one".