11211011212100 has 36 divisors (see below), whose sum is σ = 27803307807744. Its totient is φ = 3843775272480.

The previous prime is 11211011212087. The next prime is 11211011212123. The reversal of 11211011212100 is 121211011211.

It is a super-2 number, since 2×11211011212100² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8007864452 + ... + 8007865851.

Almost surely, 2^{11211011212100} is an apocalyptic number.

11211011212100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11211011212100 is an abundant number, since it is smaller than the sum of its proper divisors (16592296595644).

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

11211011212100 is a wasteful number, since it uses less digits than its factorization.

11211011212100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16015730324 (or 16015730317 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11211011212100 its reverse (121211011211), we get a palindrome (11332222223311).

The spelling of 11211011212100 in words is "eleven trillion, two hundred eleven billion, eleven million, two hundred twelve thousand, one hundred".