11012021222100 has 144 divisors (see below), whose sum is σ = 31890588871680. Its totient is φ = 2933854819200.

The previous prime is 11012021222051. The next prime is 11012021222107. The reversal of 11012021222100 is 122212021011.

It is a super-2 number, since 2×11012021222100² (a number of 27 digits) contains 22 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 11012021222100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012021222107) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2809903941 + ... + 2809907859.

It is an arithmetic number, because the mean of its divisors is an integer number (221462422720).

Almost surely, 2^{11012021222100} is an apocalyptic number.

11012021222100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11012021222100 is an abundant number, since it is smaller than the sum of its proper divisors (20878567649580).

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

11012021222100 is a wasteful number, since it uses less digits than its factorization.

11012021222100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10110 (or 10103 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11012021222100 its reverse (122212021011), we get a palindrome (11134233243111).

The spelling of 11012021222100 in words is "eleven trillion, twelve billion, twenty-one million, two hundred twenty-two thousand, one hundred".