1111002101200 has 120 divisors (see below), whose sum is σ = 2855727127520. Its totient is φ = 414109324800.

The previous prime is 1111002101191. The next prime is 1111002101233. The reversal of 1111002101200 is 21012001111.

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

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, 734634 + ... + 1661833.

Almost surely, 2^{1111002101200} is an apocalyptic number.

1111002101200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1111002101200 is an abundant number, since it is smaller than the sum of its proper divisors (1744725026320).

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

1111002101200 is a wasteful number, since it uses less digits than its factorization.

1111002101200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2396565 (or 2396554 counting only the distinct ones).

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

Adding to 1111002101200 its reverse (21012001111), we get a palindrome (1132014102311).

The spelling of 1111002101200 in words is "one trillion, one hundred eleven billion, two million, one hundred one thousand, two hundred".