2021140207 has 8 divisors (see below), whose sum is σ = 2085082496. Its totient is φ = 1957688352.

The previous prime is 2021140169. The next prime is 2021140229. The reversal of 2021140207 is 7020411202.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-2021140207 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 (2021140307) 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, 114228 + ... + 130729.

It is an arithmetic number, because the mean of its divisors is an integer number (260635312).

Almost surely, 2^2021140207 is an apocalyptic number.

2021140207 is a deficient number, since it is larger than the sum of its proper divisors (63942289).

2021140207 is a wasteful number, since it uses less digits than its factorization.

2021140207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245217.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 2021140207 is about 44957.0929553947. The cubic root of 2021140207 is about 1264.3446655874.

Adding to 2021140207 its reverse (7020411202), we get a palindrome (9041551409).

The spelling of 2021140207 in words is "two billion, twenty-one million, one hundred forty thousand, two hundred seven".