1010123031211 has 6 divisors (see below), whose sum is σ = 1175041077180. Its totient is φ = 865819740996.

The previous prime is 1010123031191. The next prime is 1010123031259. The reversal of 1010123031211 is 1121303210101.

It is a happy number.

It is not a de Polignac number, because 1010123031211 - 2¹⁹ = 1010122506923 is a prime.

It is a super-4 number, since 4×1010123031211⁴ (a number of 49 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1010123031611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10307377821 + ... + 10307377918.

It is an arithmetic number, because the mean of its divisors is an integer number (195840179530).

Almost surely, 2^{1010123031211} is an apocalyptic number.

1010123031211 is a deficient number, since it is larger than the sum of its proper divisors (164918045969).

1010123031211 is an equidigital number, since it uses as much as digits as its factorization.

1010123031211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20614755753 (or 20614755746 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1010123031211 its reverse (1121303210101), we get a palindrome (2131426241312).

The spelling of 1010123031211 in words is "one trillion, ten billion, one hundred twenty-three million, thirty-one thousand, two hundred eleven".