11211203310000 has 100 divisors (see below), whose sum is σ = 36191259208632. Its totient is φ = 2989654208000.

The previous prime is 11211203309993. The next prime is 11211203310059. The reversal of 11211203310000 is 1330211211.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-2 number, since 2×11211203310000² (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 an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 186823389 + ... + 186883388.

Almost surely, 2^{11211203310000} is an apocalyptic number.

11211203310000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11211203310000 is an abundant number, since it is smaller than the sum of its proper divisors (24980055898632).

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

11211203310000 is an equidigital number, since it uses as much as digits as its factorization.

11211203310000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373706808 (or 373706787 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11211203310000 its reverse (1330211211), we get a palindrome (11212533521211).

The spelling of 11211203310000 in words is "eleven trillion, two hundred eleven billion, two hundred three million, three hundred ten thousand".