1011121212200 has 48 divisors (see below), whose sum is σ = 2564571080160. Its totient is φ = 367680440000.

The previous prime is 1011121212181. The next prime is 1011121212209. The reversal of 1011121212200 is 22121211101.

1011121212200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1011121212200² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1011121212209) 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, 229798076 + ... + 229802475.

It is an arithmetic number, because the mean of its divisors is an integer number (53428564170).

Almost surely, 2^{1011121212200} is an apocalyptic number.

1011121212200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011121212200 is an abundant number, since it is smaller than the sum of its proper divisors (1553449867960).

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

1011121212200 is a wasteful number, since it uses less digits than its factorization.

1011121212200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459600578 (or 459600569 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1011121212200 its reverse (22121211101), we get a palindrome (1033242423301).

The spelling of 1011121212200 in words is "one trillion, eleven billion, one hundred twenty-one million, two hundred twelve thousand, two hundred".