11210101110021 has 32 divisors (see below), whose sum is σ = 16469291824128. Its totient is φ = 6725839559040.

The previous prime is 11210101109969. The next prime is 11210101110023. The reversal of 11210101110021 is 12001110101211.

It is not a de Polignac number, because 11210101110021 - 2¹¹ = 11210101107973 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11210101109979 and 11210101110006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11210101110023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9887065 + ... + 10962401.

It is an arithmetic number, because the mean of its divisors is an integer number (514665369504).

Almost surely, 2^{11210101110021} is an apocalyptic number.

11210101110021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11210101110021 is a deficient number, since it is larger than the sum of its proper divisors (5259190714107).

11210101110021 is a wasteful number, since it uses less digits than its factorization.

11210101110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078521.

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

Adding to 11210101110021 its reverse (12001110101211), we get a palindrome (23211211211232).

The spelling of 11210101110021 in words is "eleven trillion, two hundred ten billion, one hundred one million, one hundred ten thousand, twenty-one".