11121220201002 has 32 divisors (see below), whose sum is σ = 23580477371904. Its totient is φ = 3490531185600.

The previous prime is 11121220200997. The next prime is 11121220201079. The reversal of 11121220201002 is 20010202212111.

It is an unprimeable number.

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, 807986449 + ... + 808000212.

It is an arithmetic number, because the mean of its divisors is an integer number (736889917872).

Almost surely, 2^{11121220201002} is an apocalyptic number.

11121220201002 is an abundant number, since it is smaller than the sum of its proper divisors (12459257170902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11121220201002 is a wasteful number, since it uses less digits than its factorization.

11121220201002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1615986734.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11121220201002 its reverse (20010202212111), we get a palindrome (31131422413113).

The spelling of 11121220201002 in words is "eleven trillion, one hundred twenty-one billion, two hundred twenty million, two hundred one thousand, two".