1101211112200 has 48 divisors (see below), whose sum is σ = 2560606350660. Its totient is φ = 440434464000.

The previous prime is 1101211112189. The next prime is 1101211112201. The reversal of 1101211112200 is 22111121011.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 611689795236 + 489521316964 = 782106^2 + 699658^2 .

It is not an unprimeable number, because it can be changed into a prime (1101211112201) 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, 1480290 + ... + 2096110.

Almost surely, 2^{1101211112200} is an apocalyptic number.

1101211112200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101211112200 is an abundant number, since it is smaller than the sum of its proper divisors (1459395238460).

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

1101211112200 is a wasteful number, since it uses less digits than its factorization.

1101211112200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624778 (or 624769 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1101211112200 its reverse (22111121011), we get a palindrome (1123322233211).

The spelling of 1101211112200 in words is "one trillion, one hundred one billion, two hundred eleven million, one hundred twelve thousand, two hundred".