11101203220000 has 120 divisors (see below), whose sum is σ = 27356096693772. Its totient is φ = 4433088000000.

The previous prime is 11101203219971. The next prime is 11101203220039. The reversal of 11101203220000 is 2230210111.

It can be written as a sum of positive squares in 10 ways, for example, as 1137609961744 + 9963593258256 = 1066588^2 + 3156516^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11558220 + ... + 12481780.

Almost surely, 2^{11101203220000} is an apocalyptic number.

11101203220000 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 11101203220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13678048346886).

11101203220000 is an abundant number, since it is smaller than the sum of its proper divisors (16254893473772).

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

11101203220000 is an frugal number, since it uses more digits than its factorization.

11101203220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 924192 (or 924169 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11101203220000 its reverse (2230210111), we get a palindrome (11103433430111).

The spelling of 11101203220000 in words is "eleven trillion, one hundred one billion, two hundred three million, two hundred twenty thousand".