1101020101200 has 180 divisors, whose sum is σ = 3902140776768. Its totient is φ = 287358393600.

The previous prime is 1101020101193. The next prime is 1101020101217. The reversal of 1101020101200 is 21010201011.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3084406 + ... + 3422805.

Almost surely, 2^{1101020101200} is an apocalyptic number.

1101020101200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101020101200 is an abundant number, since it is smaller than the sum of its proper divisors (2801120675568).

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

1101020101200 is a wasteful number, since it uses less digits than its factorization.

1101020101200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6507282 (or 6507268 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1101020101200 its reverse (21010201011), we get a palindrome (1122030302211).

The spelling of 1101020101200 in words is "one trillion, one hundred one billion, twenty million, one hundred one thousand, two hundred".