11020102356621 has 16 divisors (see below), whose sum is σ = 15200740931904. Its totient is φ = 7095998035584.

The previous prime is 11020102356589. The next prime is 11020102356677. The reversal of 11020102356621 is 12665320102011.

It is not a de Polignac number, because 11020102356621 - 2⁵ = 11020102356589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020102356721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 362321295 + ... + 362351708.

It is an arithmetic number, because the mean of its divisors is an integer number (950046308244).

Almost surely, 2^{11020102356621} is an apocalyptic number.

It is an amenable number.

11020102356621 is a deficient number, since it is larger than the sum of its proper divisors (4180638575283).

11020102356621 is a wasteful number, since it uses less digits than its factorization.

11020102356621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724673180.

The product of its (nonzero) digits is 4320, while the sum is 30.

Adding to 11020102356621 its reverse (12665320102011), we get a palindrome (23685422458632).

The spelling of 11020102356621 in words is "eleven trillion, twenty billion, one hundred two million, three hundred fifty-six thousand, six hundred twenty-one".