2111021031131 has 8 divisors (see below), whose sum is σ = 2168099711280. Its totient is φ = 2053943617248.

The previous prime is 2111021031113. The next prime is 2111021031193. The reversal of 2111021031131 is 1311301201112.

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

It is a cyclic number.

It is not a de Polignac number, because 2111021031131 - 2¹⁴ = 2111021014747 is a prime.

It is a super-2 number, since 2×2111021031131² (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 (2111021034131) 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, 3764465 + ... + 4288733.

It is an arithmetic number, because the mean of its divisors is an integer number (271012463910).

Almost surely, 2^{2111021031131} is an apocalyptic number.

2111021031131 is a deficient number, since it is larger than the sum of its proper divisors (57078680149).

2111021031131 is a wasteful number, since it uses less digits than its factorization.

2111021031131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633133.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 2111021031131 its reverse (1311301201112), we get a palindrome (3422322232243).

The spelling of 2111021031131 in words is "two trillion, one hundred eleven billion, twenty-one million, thirty-one thousand, one hundred thirty-one".