2100210000007 has 8 divisors (see below), whose sum is σ = 2483006896800. Its totient is φ = 1738104827424.

The previous prime is 2100210000001. The next prime is 2100210000017. The reversal of 2100210000007 is 7000000120012.

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

It is not a de Polignac number, because 2100210000007 - 2³¹ = 2098062516359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100210000001) 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, 5172930832 + ... + 5172931237.

It is an arithmetic number, because the mean of its divisors is an integer number (310375862100).

Almost surely, 2^{2100210000007} is an apocalyptic number.

2100210000007 is a deficient number, since it is larger than the sum of its proper divisors (382796896793).

2100210000007 is a wasteful number, since it uses less digits than its factorization.

2100210000007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10345862105.

The product of its (nonzero) digits is 28, while the sum is 13.

Adding to 2100210000007 its reverse (7000000120012), we get a palindrome (9100210120019).

The spelling of 2100210000007 in words is "two trillion, one hundred billion, two hundred ten million, seven", and thus it is an aban number.