1010101111200 has 216 divisors, whose sum is σ = 3684692875500. Its totient is φ = 260071956480.

The previous prime is 1010101111199. The next prime is 1010101111213. The reversal of 1010101111200 is 21111010101.

It can be written as a sum of positive squares in 6 ways, for example, as 315165468816 + 694935642384 = 561396^2 + 833628^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2210025 + ... + 2627624.

Almost surely, 2^{1010101111200} is an apocalyptic number.

1010101111200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1010101111200 is an abundant number, since it is smaller than the sum of its proper divisors (2674591764300).

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

1010101111200 is a wasteful number, since it uses less digits than its factorization.

1010101111200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4837704 (or 4837688 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 1010101111200 its reverse (21111010101), we get a palindrome (1031212121301).

The spelling of 1010101111200 in words is "one trillion, ten billion, one hundred one million, one hundred eleven thousand, two hundred".