2100212101051 has 2 divisors, whose sum is σ = 2100212101052. Its totient is φ = 2100212101050.

The previous prime is 2100212100967. The next prime is 2100212101067. The reversal of 2100212101051 is 1501012120012.

It is an a-pointer prime, because the next prime (2100212101067) can be obtained adding 2100212101051 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2100212101051 is a prime.

It is not a weakly prime, because it can be changed into another prime (2100212101081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050106050525 + 1050106050526.

It is an arithmetic number, because the mean of its divisors is an integer number (1050106050526).

Almost surely, 2^{2100212101051} is an apocalyptic number.

2100212101051 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100212101051 is an equidigital number, since it uses as much as digits as its factorization.

2100212101051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 16.

Adding to 2100212101051 its reverse (1501012120012), we get a palindrome (3601224221063).

The spelling of 2100212101051 in words is "two trillion, one hundred billion, two hundred twelve million, one hundred one thousand, fifty-one".