11021000001200 has 120 divisors (see below), whose sum is σ = 31303983485280. Its totient is φ = 3648331008000.

The previous prime is 11021000001181. The next prime is 11021000001251. The reversal of 11021000001200 is 210000012011.

It is a Harshad number since it is a multiple of its sum of digits (8).

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, 67782101 + ... + 67944500.

It is an arithmetic number, because the mean of its divisors is an integer number (260866529044).

Almost surely, 2^{11021000001200} is an apocalyptic number.

11021000001200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11021000001200 is an abundant number, since it is smaller than the sum of its proper divisors (20282983484080).

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

11021000001200 is a wasteful number, since it uses less digits than its factorization.

11021000001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135726655 (or 135726644 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 11021000001200 its reverse (210000012011), we get a palindrome (11231000013211).

It can be divided in two parts, 1 and 1021000001200, that added together give a palindrome (1021000001201).

The spelling of 11021000001200 in words is "eleven trillion, twenty-one billion, one thousand, two hundred".