11021121020002 has 16 divisors (see below), whose sum is σ = 16826662437624. Its totient is φ = 5412491280000.

The previous prime is 11021121019891. The next prime is 11021121020003. The reversal of 11021121020002 is 20002012112011.

It can be written as a sum of positive squares in 4 ways, for example, as 4699612643881 + 6321508376121 = 2167859^2 + 2514261^2 .

It is not an unprimeable number, because it can be changed into a prime (11021121020003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64348899 + ... + 64519942.

Almost surely, 2^{11021121020002} is an apocalyptic number.

11021121020002 is a deficient number, since it is larger than the sum of its proper divisors (5805541417622).

11021121020002 is a wasteful number, since it uses less digits than its factorization.

11021121020002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128869605.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11021121020002 its reverse (20002012112011), we get a palindrome (31023133132013).

The spelling of 11021121020002 in words is "eleven trillion, twenty-one billion, one hundred twenty-one million, twenty thousand, two".