1011323103210 has 576 divisors, whose sum is σ = 3245417570304. Its totient is φ = 222024240000.

The previous prime is 1011323103127. The next prime is 1011323103221. The reversal of 1011323103210 is 123013231101.

1011323103210 is a `hidden beast` number, since 1 + 0 + 1 + 1 + 32 + 310 + 321 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 3573579729 + ... + 3573580011.

It is an arithmetic number, because the mean of its divisors is an integer number (5634405504).

Almost surely, 2^{1011323103210} is an apocalyptic number.

1011323103210 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 1011323103210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1622708785152).

1011323103210 is an abundant number, since it is smaller than the sum of its proper divisors (2234094467094).

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

1011323103210 is an equidigital number, since it uses as much as digits as its factorization.

1011323103210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603 (or 582 counting only the distinct ones).

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

Adding to 1011323103210 its reverse (123013231101), we get a palindrome (1134336334311).

The spelling of 1011323103210 in words is "one trillion, eleven billion, three hundred twenty-three million, one hundred three thousand, two hundred ten".