11221001102100 has 72 divisors (see below), whose sum is σ = 33156864574848. Its totient is φ = 2928601702400.

The previous prime is 11221001102083. The next prime is 11221001102111. The reversal of 11221001102100 is 120110012211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 397893741 + ... + 397921940.

It is an arithmetic number, because the mean of its divisors is an integer number (460512007984).

Almost surely, 2^{11221001102100} is an apocalyptic number.

11221001102100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11221001102100 is an abundant number, since it is smaller than the sum of its proper divisors (21935863472748).

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

11221001102100 is a wasteful number, since it uses less digits than its factorization.

11221001102100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795815745 (or 795815738 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11221001102100 its reverse (120110012211), we get a palindrome (11341111114311).

The spelling of 11221001102100 in words is "eleven trillion, two hundred twenty-one billion, one million, one hundred two thousand, one hundred".