1030111101012 has 96 divisors (see below), whose sum is σ = 2774672087040. Its totient is φ = 291349699200.

The previous prime is 1030111101001. The next prime is 1030111101017. The reversal of 1030111101012 is 2101011110301.

It is a super-2 number, since 2×1030111101012² (a number of 25 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030111101017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 78275289 + ... + 78288447.

It is an arithmetic number, because the mean of its divisors is an integer number (28902834240).

Almost surely, 2^{1030111101012} is an apocalyptic number.

1030111101012 is a gapful number since it is divisible by the number (12) 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 1030111101012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1387336043520).

1030111101012 is an abundant number, since it is smaller than the sum of its proper divisors (1744560986028).

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

1030111101012 is a wasteful number, since it uses less digits than its factorization.

1030111101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22501 (or 22499 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 1030111101012 its reverse (2101011110301), we get a palindrome (3131122211313).

The spelling of 1030111101012 in words is "one trillion, thirty billion, one hundred eleven million, one hundred one thousand, twelve".