1010112000021 has 24 divisors (see below), whose sum is σ = 1480662612000. Its totient is φ = 663502288032.

The previous prime is 1010112000017. The next prime is 1010112000047. The reversal of 1010112000021 is 1200002110101.

It is a happy number.

It is not a de Polignac number, because 1010112000021 - 2² = 1010112000017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1010111999967 and 1010112000012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010112000221) 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 23 ways as a sum of consecutive naturals, for example, 2700591 + ... + 3051788.

It is an arithmetic number, because the mean of its divisors is an integer number (61694275500).

Almost surely, 2^{1010112000021} is an apocalyptic number.

It is an amenable number.

1010112000021 is a deficient number, since it is larger than the sum of its proper divisors (470550611979).

1010112000021 is a wasteful number, since it uses less digits than its factorization.

1010112000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5752673 (or 5752670 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1010112000021 its reverse (1200002110101), we get a palindrome (2210114110122).

It can be divided in two parts, 10101 and 12000021, that multiplied together give a palindrome (121212212121).

The spelling of 1010112000021 in words is "one trillion, ten billion, one hundred twelve million, twenty-one", and thus it is an aban number.