7013100021 has 16 divisors (see below), whose sum is σ = 9421200768. Its totient is φ = 4640256000.

The previous prime is 7013099969. The next prime is 7013100113. The reversal of 7013100021 is 1200013107.

It is not a de Polignac number, because 7013100021 - 2¹⁰ = 7013098997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7013120021) 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, 544941 + ... + 557661.

It is an arithmetic number, because the mean of its divisors is an integer number (588825048).

Almost surely, 2^7013100021 is an apocalyptic number.

It is an amenable number.

7013100021 is a deficient number, since it is larger than the sum of its proper divisors (2408100747).

7013100021 is a wasteful number, since it uses less digits than its factorization.

7013100021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14092.

The product of its (nonzero) digits is 42, while the sum is 15.

The square root of 7013100021 is about 83744.2536595795. The cubic root of 7013100021 is about 1914.1237457513.

Adding to 7013100021 its reverse (1200013107), we get a palindrome (8213113128).

The spelling of 7013100021 in words is "seven billion, thirteen million, one hundred thousand, twenty-one".