1011222030000 has 400 divisors, whose sum is σ = 4017684129536. Its totient is φ = 213356160000.

The previous prime is 1011222029989. The next prime is 1011222030029. The reversal of 1011222030000 is 302221101.

It is a tau number, because it is divible by the number of its divisors (400).

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

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2544795 + ... + 2915205.

Almost surely, 2^{1011222030000} is an apocalyptic number.

1011222030000 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 1011222030000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2008842064768).

1011222030000 is an abundant number, since it is smaller than the sum of its proper divisors (3006462099536).

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

1011222030000 is a wasteful number, since it uses less digits than its factorization.

1011222030000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370462 (or 370441 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 1011222030000 its reverse (302221101), we get a palindrome (1011524251101).

The spelling of 1011222030000 in words is "one trillion, eleven billion, two hundred twenty-two million, thirty thousand".