1010112212091 has 8 divisors (see below), whose sum is σ = 1366918018624. Its totient is φ = 663357273480.

The previous prime is 1010112212069. The next prime is 1010112212119. The reversal of 1010112212091 is 1902122110101.

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

It is not a de Polignac number, because 1010112212091 - 2¹⁰ = 1010112211067 is a prime.

It is a super-3 number, since 3×1010112212091³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1010112212891) 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, 2512716745 + ... + 2512717146.

It is an arithmetic number, because the mean of its divisors is an integer number (170864752328).

Almost surely, 2^{1010112212091} is an apocalyptic number.

1010112212091 is a deficient number, since it is larger than the sum of its proper divisors (356805806533).

1010112212091 is an equidigital number, since it uses as much as digits as its factorization.

1010112212091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5025433961.

The product of its (nonzero) digits is 72, while the sum is 21.

Adding to 1010112212091 its reverse (1902122110101), we get a palindrome (2912234322192).

The spelling of 1010112212091 in words is "one trillion, ten billion, one hundred twelve million, two hundred twelve thousand, ninety-one".