1011012212200 has 96 divisors (see below), whose sum is σ = 2489377008960. Its totient is φ = 380539468800.

The previous prime is 1011012212179. The next prime is 1011012212219. The reversal of 1011012212200 is 22122101101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18478885 + ... + 18533515.

It is an arithmetic number, because the mean of its divisors is an integer number (25931010510).

Almost surely, 2^{1011012212200} is an apocalyptic number.

1011012212200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011012212200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1244688504480).

1011012212200 is an abundant number, since it is smaller than the sum of its proper divisors (1478364796760).

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

1011012212200 is a wasteful number, since it uses less digits than its factorization.

1011012212200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60107 (or 60098 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1011012212200 its reverse (22122101101), we get a palindrome (1033134313301).

The spelling of 1011012212200 in words is "one trillion, eleven billion, twelve million, two hundred twelve thousand, two hundred".