11005220004621 has 8 divisors (see below), whose sum is σ = 14673642834144. Its totient is φ = 7336805255760.

The previous prime is 11005220004619. The next prime is 11005220004677. The reversal of 11005220004621 is 12640002250011.

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

It is not a de Polignac number, because 11005220004621 - 2¹ = 11005220004619 is a prime.

It is a super-2 number, since 2×11005220004621² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11005220004591 and 11005220004600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11005220009621) 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, 2802070 + ... + 5464616.

It is an arithmetic number, because the mean of its divisors is an integer number (1834205354268).

Almost surely, 2^{11005220004621} is an apocalyptic number.

It is an amenable number.

11005220004621 is a deficient number, since it is larger than the sum of its proper divisors (3668422829523).

11005220004621 is a wasteful number, since it uses less digits than its factorization.

11005220004621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4040331.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 11005220004621 its reverse (12640002250011), we get a palindrome (23645222254632).

The spelling of 11005220004621 in words is "eleven trillion, five billion, two hundred twenty million, four thousand, six hundred twenty-one".