11211120210100 has 18 divisors (see below), whose sum is σ = 24328130856134. Its totient is φ = 4484448084000.

The previous prime is 11211120210091. The next prime is 11211120210119. The reversal of 11211120210100 is 101202111211.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 47499664 + 11211072710436 = 6892^2 + 3348294^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56055600951 + ... + 56055601150.

Almost surely, 2^{11211120210100} is an apocalyptic number.

11211120210100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11211120210100 is an abundant number, since it is smaller than the sum of its proper divisors (13117010646034).

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

11211120210100 is a wasteful number, since it uses less digits than its factorization.

11211120210100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112111202115 (or 112111202108 counting only the distinct ones).

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

Adding to 11211120210100 its reverse (101202111211), we get a palindrome (11312322321311).

The spelling of 11211120210100 in words is "eleven trillion, two hundred eleven billion, one hundred twenty million, two hundred ten thousand, one hundred".