2021144051 has 8 divisors (see below), whose sum is σ = 2026808784. Its totient is φ = 2015488480.

The previous prime is 2021144023. The next prime is 2021144101. The reversal of 2021144051 is 1504411202.

It is a happy number.

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 2021144051 - 2²² = 2016949747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021134051) 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, 711005 + ... + 713841.

It is an arithmetic number, because the mean of its divisors is an integer number (253351098).

Almost surely, 2^2021144051 is an apocalyptic number.

2021144051 is a deficient number, since it is larger than the sum of its proper divisors (5664733).

2021144051 is a wasteful number, since it uses less digits than its factorization.

2021144051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4581.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 2021144051 is about 44957.1357072490. The cubic root of 2021144051 is about 1264.3454671379.

Adding to 2021144051 its reverse (1504411202), we get a palindrome (3525555253).

The spelling of 2021144051 in words is "two billion, twenty-one million, one hundred forty-four thousand, fifty-one".