2021013102 has 8 divisors (see below), whose sum is σ = 4042026216. Its totient is φ = 673671032.

The previous prime is 2021013077. The next prime is 2021013107. The reversal of 2021013102 is 2013101202.

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

2021013102 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021013107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168417753 + ... + 168417764.

It is an arithmetic number, because the mean of its divisors is an integer number (505253277).

Almost surely, 2^2021013102 is an apocalyptic number.

2021013102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2021013102 is a wasteful number, since it uses less digits than its factorization.

2021013102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336835522.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2021013102 is about 44955.6793075135. The cubic root of 2021013102 is about 1264.3181610930.

Adding to 2021013102 its reverse (2013101202), we get a palindrome (4034114304).

The spelling of 2021013102 in words is "two billion, twenty-one million, thirteen thousand, one hundred two".