2101051 has 2 divisors, whose sum is σ = 2101052. Its totient is φ = 2101050.

The previous prime is 2101019. The next prime is 2101061. The reversal of 2101051 is 1501012.

It is a happy number.

It is an a-pointer prime, because the next prime (2101061) can be obtained adding 2101051 to its sum of digits (10).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2101051 - 2⁵ = 2101019 is a prime.

It is the 1450-th Hogben number.

It is not a weakly prime, because it can be changed into another prime (2101061) by changing a digit.

It is a nontrivial repunit in base 1449.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050525 + 1050526.

It is an arithmetic number, because the mean of its divisors is an integer number (1050526).

2^2101051 is an apocalyptic number.

2101051 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101051 is an equidigital number, since it uses as much as digits as its factorization.

2101051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10, while the sum is 10.

The square root of 2101051 is about 1449.5002587099. The cubic root of 2101051 is about 128.0792762485.

Adding to 2101051 its reverse (1501012), we get a palindrome (3602063).

The spelling of 2101051 in words is "two million, one hundred one thousand, fifty-one".