1010331121200 has 60 divisors (see below), whose sum is σ = 3236427362088. Its totient is φ = 269421632000.

The previous prime is 1010331121199. The next prime is 1010331121297. The reversal of 1010331121200 is 21211330101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1010331121200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 420970101 + ... + 420972500.

Almost surely, 2^{1010331121200} is an apocalyptic number.

1010331121200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010331121200 is an abundant number, since it is smaller than the sum of its proper divisors (2226096240888).

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

1010331121200 is a wasteful number, since it uses less digits than its factorization.

1010331121200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841942622 (or 841942611 counting only the distinct ones).

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

Adding to 1010331121200 its reverse (21211330101), we get a palindrome (1031542451301).

The spelling of 1010331121200 in words is "one trillion, ten billion, three hundred thirty-one million, one hundred twenty-one thousand, two hundred".