1010011221031 has 12 divisors (see below), whose sum is σ = 1046210596912. Its totient is φ = 975024356544.

The previous prime is 1010011221029. The next prime is 1010011221047. The reversal of 1010011221031 is 1301221100101.

It is a happy number.

1010011221031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1010011221031 - 2¹ = 1010011221029 is a prime.

It is a super-2 number, since 2×1010011221031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010011221001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5239795 + ... + 5429131.

Almost surely, 2^{1010011221031} is an apocalyptic number.

1010011221031 is a deficient number, since it is larger than the sum of its proper divisors (36199375881).

1010011221031 is an equidigital number, since it uses as much as digits as its factorization.

1010011221031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195738 (or 195709 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1010011221031 its reverse (1301221100101), we get a palindrome (2311232321132).

The spelling of 1010011221031 in words is "one trillion, ten billion, eleven million, two hundred twenty-one thousand, thirty-one".