2111300310021 has 48 divisors (see below), whose sum is σ = 3307479920640. Its totient is φ = 1194428857440.

The previous prime is 2111300309983. The next prime is 2111300310059. The reversal of 2111300310021 is 1200130031112.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2111300309983) and next prime (2111300310059).

It is not a de Polignac number, because 2111300310021 - 2¹⁵ = 2111300277253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111300320021) 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 47 ways as a sum of consecutive naturals, for example, 5796316 + ... + 6149786.

It is an arithmetic number, because the mean of its divisors is an integer number (68905831680).

Almost surely, 2^{2111300310021} is an apocalyptic number.

2111300310021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2111300310021 is a deficient number, since it is larger than the sum of its proper divisors (1196179610619).

2111300310021 is a wasteful number, since it uses less digits than its factorization.

2111300310021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353894 (or 353887 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 2111300310021 its reverse (1200130031112), we get a palindrome (3311430341133).

The spelling of 2111300310021 in words is "two trillion, one hundred eleven billion, three hundred million, three hundred ten thousand, twenty-one".