20111120021202 has 32 divisors (see below), whose sum is σ = 46026683907072. Its totient is φ = 5738733095184.

The previous prime is 20111120021189. The next prime is 20111120021227. The reversal of 20111120021202 is 20212002111102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304183078 + ... + 304249185.

It is an arithmetic number, because the mean of its divisors is an integer number (1438333872096).

Almost surely, 2^{20111120021202} is an apocalyptic number.

20111120021202 is an abundant number, since it is smaller than the sum of its proper divisors (25915563885870).

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

20111120021202 is a wasteful number, since it uses less digits than its factorization.

20111120021202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608433062.

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

Adding to 20111120021202 its reverse (20212002111102), we get a palindrome (40323122132304).

The spelling of 20111120021202 in words is "twenty trillion, one hundred eleven billion, one hundred twenty million, twenty-one thousand, two hundred two".