1020111312330 has 96 divisors (see below), whose sum is σ = 3045691247040. Its totient is φ = 234283933440.

The previous prime is 1020111312289. The next prime is 1020111312371. The reversal of 1020111312330 is 332131110201.

1020111312330 is a `hidden beast` number, since 1 + 0 + 20 + 1 + 1 + 1 + 312 + 330 = 666.

It is an interprime number because it is at equal distance from previous prime (1020111312289) and next prime (1020111312371).

It is a super-5 number, since 5×1020111312330⁵ (a number of 61 digits) contains 55555 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27097387 + ... + 27135006.

It is an arithmetic number, because the mean of its divisors is an integer number (31725950490).

Almost surely, 2^{1020111312330} is an apocalyptic number.

1020111312330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020111312330 is an abundant number, since it is smaller than the sum of its proper divisors (2025579934710).

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

1020111312330 is a wasteful number, since it uses less digits than its factorization.

1020111312330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54232436 (or 54232433 counting only the distinct ones).

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

Adding to 1020111312330 its reverse (332131110201), we get a palindrome (1352242422531).

The spelling of 1020111312330 in words is "one trillion, twenty billion, one hundred eleven million, three hundred twelve thousand, three hundred thirty".