11100211211020 has 24 divisors (see below), whose sum is σ = 24323941089504. Its totient is φ = 4247037332736.

The previous prime is 11100211210969. The next prime is 11100211211021. The reversal of 11100211211020 is 2011211200111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11100211211021) 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, 12065446509 + ... + 12065447428.

It is an arithmetic number, because the mean of its divisors is an integer number (1013497545396).

Almost surely, 2^{11100211211020} is an apocalyptic number.

11100211211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11100211211020 is an abundant number, since it is smaller than the sum of its proper divisors (13223729878484).

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

11100211211020 is a wasteful number, since it uses less digits than its factorization.

11100211211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24130893969 (or 24130893967 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11100211211020 its reverse (2011211200111), we get a palindrome (13111422411131).

The spelling of 11100211211020 in words is "eleven trillion, one hundred billion, two hundred eleven million, two hundred eleven thousand, twenty".