1012101112211 has 6 divisors (see below), whose sum is σ = 1177342110180. Its totient is φ = 867515238996.

The previous prime is 1012101112189. The next prime is 1012101112213. The reversal of 1012101112211 is 1122111012101.

It is not a de Polignac number, because 1012101112211 - 2³⁰ = 1011027370387 is a prime.

It is a super-2 number, since 2×1012101112211² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012101112213) 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 5 ways as a sum of consecutive naturals, for example, 10327562321 + ... + 10327562418.

It is an arithmetic number, because the mean of its divisors is an integer number (196223685030).

Almost surely, 2^{1012101112211} is an apocalyptic number.

1012101112211 is a deficient number, since it is larger than the sum of its proper divisors (165240997969).

1012101112211 is an equidigital number, since it uses as much as digits as its factorization.

1012101112211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20655124753 (or 20655124746 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 1012101112211 its reverse (1122111012101), we get a palindrome (2134212124312).

It can be divided in two parts, 1012101 and 112211, that multiplied together give a palindrome (113568865311).

The spelling of 1012101112211 in words is "one trillion, twelve billion, one hundred one million, one hundred twelve thousand, two hundred eleven".