1101222210000 has 300 divisors, whose sum is σ = 3907456288736. Its totient is φ = 266962080000.

The previous prime is 1101222209957. The next prime is 1101222210031. The reversal of 1101222210000 is 122221011.

It is a tau number, because it is divible by the number of its divisors (300).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 3478317 + ... + 3781683.

Almost surely, 2^{1101222210000} is an apocalyptic number.

1101222210000 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 1101222210000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1953728144368).

1101222210000 is an abundant number, since it is smaller than the sum of its proper divisors (2806234078736).

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

1101222210000 is a wasteful number, since it uses less digits than its factorization.

1101222210000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303420 (or 303388 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1101222210000 its reverse (122221011), we get a palindrome (1101344431011).

The spelling of 1101222210000 in words is "one trillion, one hundred one billion, two hundred twenty-two million, two hundred ten thousand".