11021123012100 has 144 divisors (see below), whose sum is σ = 33582191227200. Its totient is φ = 2782947870720.

The previous prime is 11021123012059. The next prime is 11021123012113. The reversal of 11021123012100 is 121032112011.

It is a super-3 number, since 3×11021123012100³ (a number of 40 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11021123012100.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11444512 + ... + 12370088.

It is an arithmetic number, because the mean of its divisors is an integer number (233209661300).

Almost surely, 2^{11021123012100} is an apocalyptic number.

11021123012100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11021123012100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16791095613600).

11021123012100 is an abundant number, since it is smaller than the sum of its proper divisors (22561068215100).

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

11021123012100 is a wasteful number, since it uses less digits than its factorization.

11021123012100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927702 (or 927695 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11021123012100 its reverse (121032112011), we get a palindrome (11142155124111).

The spelling of 11021123012100 in words is "eleven trillion, twenty-one billion, one hundred twenty-three million, twelve thousand, one hundred".