1011211033230 has 80 divisors (see below), whose sum is σ = 2721278333664. Its totient is φ = 269433708480.

The previous prime is 1011211033211. The next prime is 1011211033237. The reversal of 1011211033230 is 323301121101.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011211033237) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 467935 + ... + 1497125.

Almost surely, 2^{1011211033230} is an apocalyptic number.

1011211033230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011211033230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1360639166832).

1011211033230 is an abundant number, since it is smaller than the sum of its proper divisors (1710067300434).

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

1011211033230 is a wasteful number, since it uses less digits than its factorization.

1011211033230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030423 (or 1030414 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1011211033230 its reverse (323301121101), we get a palindrome (1334512154331).

The spelling of 1011211033230 in words is "one trillion, eleven billion, two hundred eleven million, thirty-three thousand, two hundred thirty".