11211020001100 has 36 divisors (see below), whose sum is σ = 24328625783224. Its totient is φ = 4484276686080.

The previous prime is 11211020001091. The next prime is 11211020001109. The reversal of 11211020001100 is 110002011211.

11211020001100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11211020001091) and next prime (11211020001109).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (11211020001109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1827127 + ... + 5075473.

Almost surely, 2^{11211020001100} is an apocalyptic number.

11211020001100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11211020001100 is an abundant number, since it is smaller than the sum of its proper divisors (13117605782124).

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

11211020001100 is a wasteful number, since it uses less digits than its factorization.

11211020001100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3282874 (or 3282867 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11211020001100 its reverse (110002011211), we get a palindrome (11321022012311).

The spelling of 11211020001100 in words is "eleven trillion, two hundred eleven billion, twenty million, one thousand, one hundred".