2100020333123 has 8 divisors (see below), whose sum is σ = 2108660707440. Its totient is φ = 2091382132000.

The previous prime is 2100020333039. The next prime is 2100020333143. The reversal of 2100020333123 is 3213330200012.

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 2100020333123 - 2¹² = 2100020329027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2100020333095 and 2100020333104.

It is not an unprimeable number, because it can be changed into a prime (2100020333143) 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, 1407713 + ... + 2486301.

It is an arithmetic number, because the mean of its divisors is an integer number (263582588430).

Almost surely, 2^{2100020333123} is an apocalyptic number.

2100020333123 is a deficient number, since it is larger than the sum of its proper divisors (8640374317).

2100020333123 is a wasteful number, since it uses less digits than its factorization.

2100020333123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086597.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 2100020333123 its reverse (3213330200012), we get a palindrome (5313350533135).

The spelling of 2100020333123 in words is "two trillion, one hundred billion, twenty million, three hundred thirty-three thousand, one hundred twenty-three".