2111334203021 has 8 divisors (see below), whose sum is σ = 2148636947904. Its totient is φ = 2074241615040.

The previous prime is 2111334203009. The next prime is 2111334203059. The reversal of 2111334203021 is 1203024331112.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2111334203021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111334203521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52518956 + ... + 52559141.

It is an arithmetic number, because the mean of its divisors is an integer number (268579618488).

Almost surely, 2^{2111334203021} is an apocalyptic number.

It is an amenable number.

2111334203021 is a deficient number, since it is larger than the sum of its proper divisors (37302744883).

2111334203021 is a wasteful number, since it uses less digits than its factorization.

2111334203021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105078451.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 2111334203021 its reverse (1203024331112), we get a palindrome (3314358534133).

The spelling of 2111334203021 in words is "two trillion, one hundred eleven billion, three hundred thirty-four million, two hundred three thousand, twenty-one".