1020001101112 has 32 divisors (see below), whose sum is σ = 2188024801920. Its totient is φ = 436681697760.

The previous prime is 1020001101043. The next prime is 1020001101113. The reversal of 1020001101112 is 2111011000201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020001101113) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9563814 + ... + 9669877.

It is an arithmetic number, because the mean of its divisors is an integer number (68375775060).

Almost surely, 2^{1020001101112} is an apocalyptic number.

It is an amenable number.

1020001101112 is an abundant number, since it is smaller than the sum of its proper divisors (1168023700808).

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

1020001101112 is a wasteful number, since it uses less digits than its factorization.

1020001101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19234651 (or 19234647 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1020001101112 its reverse (2111011000201), we get a palindrome (3131012101313).

The spelling of 1020001101112 in words is "one trillion, twenty billion, one million, one hundred one thousand, one hundred twelve".