11211200211020 has 24 divisors (see below), whose sum is σ = 23557677771264. Its totient is φ = 4481783450496.

The previous prime is 11211200210989. The next prime is 11211200211023. The reversal of 11211200211020 is 2011200211211.

It is a junction number, because it is equal to n+sod(n) for n = 11211200210986 and 11211200211004.

It is not an unprimeable number, because it can be changed into a prime (11211200211023) 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, 168505529 + ... + 168572048.

It is an arithmetic number, because the mean of its divisors is an integer number (981569907136).

Almost surely, 2^{11211200211020} is an apocalyptic number.

11211200211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11211200211020 is an abundant number, since it is smaller than the sum of its proper divisors (12346477560244).

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

11211200211020 is a wasteful number, since it uses less digits than its factorization.

11211200211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337079249 (or 337079247 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11211200211020 its reverse (2011200211211), we get a palindrome (13222400422231).

The spelling of 11211200211020 in words is "eleven trillion, two hundred eleven billion, two hundred million, two hundred eleven thousand, twenty".