1211010131013 has 16 divisors (see below), whose sum is σ = 1615354584000. Its totient is φ = 807002974080.

The previous prime is 1211010131011. The next prime is 1211010131027. The reversal of 1211010131013 is 3101310101121.

It is not a de Polignac number, because 1211010131013 - 2¹ = 1211010131011 is a prime.

It is a super-2 number, since 2×1211010131013² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1211010130983 and 1211010131001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211010131011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118593478 + ... + 118603688.

It is an arithmetic number, because the mean of its divisors is an integer number (100959661500).

Almost surely, 2^{1211010131013} is an apocalyptic number.

It is an amenable number.

1211010131013 is a deficient number, since it is larger than the sum of its proper divisors (404344452987).

1211010131013 is a wasteful number, since it uses less digits than its factorization.

1211010131013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22852.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 1211010131013 its reverse (3101310101121), we get a palindrome (4312320232134).

The spelling of 1211010131013 in words is "one trillion, two hundred eleven billion, ten million, one hundred thirty-one thousand, thirteen".