11021101112021 has 64 divisors (see below), whose sum is σ = 15829535393280. Its totient is φ = 7384037621760.

The previous prime is 11021101111963. The next prime is 11021101112143. The reversal of 11021101112021 is 12021110112011.

It is a cyclic number.

It is not a de Polignac number, because 11021101112021 - 2¹⁴ = 11021101095637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11021101111987 and 11021101112005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021106112021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1687766 + ... + 4989063.

It is an arithmetic number, because the mean of its divisors is an integer number (247336490520).

Almost surely, 2^{11021101112021} is an apocalyptic number.

11021101112021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11021101112021 is a deficient number, since it is larger than the sum of its proper divisors (4808434281259).

11021101112021 is a wasteful number, since it uses less digits than its factorization.

11021101112021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6676974.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11021101112021 its reverse (12021110112011), we get a palindrome (23042211224032).

The spelling of 11021101112021 in words is "eleven trillion, twenty-one billion, one hundred one million, one hundred twelve thousand, twenty-one".