110211100021 has 8 divisors (see below), whose sum is σ = 120244672800. Its totient is φ = 100179924240.

The previous prime is 110211099959. The next prime is 110211100061. The reversal of 110211100021 is 120001112011.

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

It is not a de Polignac number, because 110211100021 - 2¹¹ = 110211097973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110211099980 and 110211100007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110211100061) 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, 502426 + ... + 687643.

It is an arithmetic number, because the mean of its divisors is an integer number (15030584100).

Almost surely, 2^110211100021 is an apocalyptic number.

110211100021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

110211100021 is a deficient number, since it is larger than the sum of its proper divisors (10033572779).

110211100021 is a wasteful number, since it uses less digits than its factorization.

110211100021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1198499.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 110211100021 its reverse (120001112011), we get a palindrome (230212212032).

The spelling of 110211100021 in words is "one hundred ten billion, two hundred eleven million, one hundred thousand, twenty-one".