2021110539 has 32 divisors (see below), whose sum is σ = 3161464320. Its totient is φ = 1124409600.

The previous prime is 2021110519. The next prime is 2021110547. The reversal of 2021110539 is 9350111202.

It is not a de Polignac number, because 2021110539 - 2⁷ = 2021110411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2021110519) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 463632 + ... + 467970.

It is an arithmetic number, because the mean of its divisors is an integer number (98795760).

Almost surely, 2^2021110539 is an apocalyptic number.

2021110539 is a deficient number, since it is larger than the sum of its proper divisors (1140353781).

2021110539 is a wasteful number, since it uses less digits than its factorization.

2021110539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4931.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 2021110539 is about 44956.7629951268. The cubic root of 2021110539 is about 1264.3384791848.

The spelling of 2021110539 in words is "two billion, twenty-one million, one hundred ten thousand, five hundred thirty-nine".