1011112122200 has 96 divisors (see below), whose sum is σ = 2420831210160. Its totient is φ = 392522457600.

The previous prime is 1011112122199. The next prime is 1011112122287. The reversal of 1011112122200 is 22212111101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 975770 + ... + 1724630.

Almost surely, 2^{1011112122200} is an apocalyptic number.

1011112122200 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 1011112122200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1210415605080).

1011112122200 is an abundant number, since it is smaller than the sum of its proper divisors (1409719087960).

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

1011112122200 is a wasteful number, since it uses less digits than its factorization.

1011112122200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749077 (or 749068 counting only the distinct ones).

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

Adding to 1011112122200 its reverse (22212111101), we get a palindrome (1033324233301).

The spelling of 1011112122200 in words is "one trillion, eleven billion, one hundred twelve million, one hundred twenty-two thousand, two hundred".