2111130332021 has 4 divisors (see below), whose sum is σ = 2111138434272. Its totient is φ = 2111122229772.

The previous prime is 2111130331993. The next prime is 2111130332089. The reversal of 2111130332021 is 1202330311112.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2111130332021 - 2⁶ = 2111130331957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2111130331984 and 2111130332002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111130331021) 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 3 ways as a sum of consecutive naturals, for example, 3646835 + ... + 4185888.

It is an arithmetic number, because the mean of its divisors is an integer number (527784608568).

Almost surely, 2^{2111130332021} is an apocalyptic number.

It is an amenable number.

2111130332021 is a deficient number, since it is larger than the sum of its proper divisors (8102251).

2111130332021 is an equidigital number, since it uses as much as digits as its factorization.

2111130332021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8102250.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 2111130332021 its reverse (1202330311112), we get a palindrome (3313460643133).

The spelling of 2111130332021 in words is "two trillion, one hundred eleven billion, one hundred thirty million, three hundred thirty-two thousand, twenty-one".