1012110112021 has 8 divisors (see below), whose sum is σ = 1045197323264. Its totient is φ = 979050306960.

The previous prime is 1012110111973. The next prime is 1012110112051. The reversal of 1012110112021 is 1202110112101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1012110112021 - 2¹⁹ = 1012109587733 is a prime.

It is a super-2 number, since 2×1012110112021² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012110111992 and 1012110112010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012110112051) 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, 6776466 + ... + 6924211.

It is an arithmetic number, because the mean of its divisors is an integer number (130649665408).

Almost surely, 2^{1012110112021} is an apocalyptic number.

It is an amenable number.

1012110112021 is a deficient number, since it is larger than the sum of its proper divisors (33087211243).

1012110112021 is a wasteful number, since it uses less digits than its factorization.

1012110112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13703091.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1012110112021 its reverse (1202110112101), we get a palindrome (2214220224122).

The spelling of 1012110112021 in words is "one trillion, twelve billion, one hundred ten million, one hundred twelve thousand, twenty-one".