11021001002002 has 16 divisors (see below), whose sum is σ = 17146400821272. Its totient is φ = 5308483219200.

The previous prime is 11021001001999. The next prime is 11021001002009. The reversal of 11021001002002 is 20020010012011.

It can be written as a sum of positive squares in 4 ways, for example, as 9140457775761 + 1880543226241 = 3023319^2 + 1371329^2 .

It is a super-2 number, since 2×11021001002002² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11021001002002.

It is not an unprimeable number, because it can be changed into a prime (11021001002009) 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, 737281863 + ... + 737296810.

Almost surely, 2^{11021001002002} is an apocalyptic number.

11021001002002 is a deficient number, since it is larger than the sum of its proper divisors (6125399819270).

11021001002002 is a wasteful number, since it uses less digits than its factorization.

11021001002002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474578813.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 11021001002002 its reverse (20020010012011), we get a palindrome (31041011014013).

The spelling of 11021001002002 in words is "eleven trillion, twenty-one billion, one million, two thousand, two".