11101020122021 has 8 divisors (see below), whose sum is σ = 11459751609600. Its totient is φ = 10742328263520.

The previous prime is 11101020122011. The next prime is 11101020122053. The reversal of 11101020122021 is 12022102010111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11101020122021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11101020121987 and 11101020122005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101020122011) 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, 9337451 + ... + 10458968.

It is an arithmetic number, because the mean of its divisors is an integer number (1432468951200).

Almost surely, 2^{11101020122021} is an apocalyptic number.

It is an amenable number.

11101020122021 is a deficient number, since it is larger than the sum of its proper divisors (358731487579).

11101020122021 is a wasteful number, since it uses less digits than its factorization.

11101020122021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19814539.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11101020122021 its reverse (12022102010111), we get a palindrome (23123122132132).

The spelling of 11101020122021 in words is "eleven trillion, one hundred one billion, twenty million, one hundred twenty-two thousand, twenty-one".