1011320012330 has 64 divisors (see below), whose sum is σ = 2029811736960. Its totient is φ = 360531984384.

The previous prime is 1011320012321. The next prime is 1011320012333. The reversal of 1011320012330 is 332100231101.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1011320012299 and 1011320012308.

It is not an unprimeable number, because it can be changed into a prime (1011320012333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7253354 + ... + 7391466.

It is an arithmetic number, because the mean of its divisors is an integer number (31715808390).

Almost surely, 2^{1011320012330} is an apocalyptic number.

1011320012330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1011320012330 is an abundant number, since it is smaller than the sum of its proper divisors (1018491724630).

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

1011320012330 is a wasteful number, since it uses less digits than its factorization.

1011320012330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140423.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1011320012330 its reverse (332100231101), we get a palindrome (1343420243431).

The spelling of 1011320012330 in words is "one trillion, eleven billion, three hundred twenty million, twelve thousand, three hundred thirty".