1101101211200 has 84 divisors (see below), whose sum is σ = 2710031493312. Its totient is φ = 440337369600.

The previous prime is 1101101211193. The next prime is 1101101211209. The reversal of 1101101211200 is 21121011011.

It is a super-2 number, since 2×1101101211200² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1101101211209) 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, 6947237 + ... + 7103963.

Almost surely, 2^{1101101211200} is an apocalyptic number.

1101101211200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1101101211200 is an abundant number, since it is smaller than the sum of its proper divisors (1608930282112).

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

1101101211200 is a wasteful number, since it uses less digits than its factorization.

1101101211200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161140 (or 161125 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1101101211200 its reverse (21121011011), we get a palindrome (1122222222211).

The spelling of 1101101211200 in words is "one trillion, one hundred one billion, one hundred one million, two hundred eleven thousand, two hundred".