11211220020002 has 8 divisors (see below), whose sum is σ = 16860060956700. Its totient is φ = 5591199701104.

The previous prime is 11211220019959. The next prime is 11211220020017. The reversal of 11211220020002 is 20002002211211.

It can be written as a sum of positive squares in 2 ways, for example, as 10794109422721 + 417110597281 = 3285439^2 + 645841^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7205153477 + ... + 7205155032.

Almost surely, 2^{11211220020002} is an apocalyptic number.

11211220020002 is a deficient number, since it is larger than the sum of its proper divisors (5648840936698).

11211220020002 is a wasteful number, since it uses less digits than its factorization.

11211220020002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14410308900.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11211220020002 its reverse (20002002211211), we get a palindrome (31213222231213).

The spelling of 11211220020002 in words is "eleven trillion, two hundred eleven billion, two hundred twenty million, twenty thousand, two".