11021001101200 has 60 divisors (see below), whose sum is σ = 26912020043668. Its totient is φ = 4336131571200.

The previous prime is 11021001101197. The next prime is 11021001101207. The reversal of 11021001101200 is 210110012011.

It can be written as a sum of positive squares in 6 ways, for example, as 2045632225536 + 8975368875664 = 1430256^2 + 2995892^2 .

It is a super-2 number, since 2×11021001101200² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (11021001101207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 225815787 + ... + 225864586.

Almost surely, 2^{11021001101200} is an apocalyptic number.

11021001101200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11021001101200 is an abundant number, since it is smaller than the sum of its proper divisors (15891018942468).

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

11021001101200 is a wasteful number, since it uses less digits than its factorization.

11021001101200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451680452 (or 451680441 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11021001101200 its reverse (210110012011), we get a palindrome (11231111113211).

The spelling of 11021001101200 in words is "eleven trillion, twenty-one billion, one million, one hundred one thousand, two hundred".