2021010051 has 16 divisors (see below), whose sum is σ = 2709273600. Its totient is φ = 1340058048.

The previous prime is 2021009999. The next prime is 2021010053. The reversal of 2021010051 is 1500101202.

It is not a de Polignac number, because 2021010051 - 2⁶ = 2021009987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2021010053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 944655 + ... + 946791.

It is an arithmetic number, because the mean of its divisors is an integer number (169329600).

Almost surely, 2^2021010051 is an apocalyptic number.

2021010051 is a deficient number, since it is larger than the sum of its proper divisors (688263549).

2021010051 is a wasteful number, since it uses less digits than its factorization.

2021010051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3698.

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 2021010051 is about 44955.6453740795. The cubic root of 2021010051 is about 1264.3175248714.

Adding to 2021010051 its reverse (1500101202), we get a palindrome (3521111253).

The spelling of 2021010051 in words is "two billion, twenty-one million, ten thousand, fifty-one".