2021102030 has 32 divisors (see below), whose sum is σ = 3694602240. Its totient is φ = 795918240.

The previous prime is 2021101993. The next prime is 2021102047. The reversal of 2021102030 is 302011202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286445 + ... + 293415.

It is an arithmetic number, because the mean of its divisors is an integer number (115456320).

Almost surely, 2^2021102030 is an apocalyptic number.

2021102030 is a deficient number, since it is larger than the sum of its proper divisors (1673500210).

2021102030 is a wasteful number, since it uses less digits than its factorization.

2021102030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7424.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2021102030 is about 44956.6683596549. The cubic root of 2021102030 is about 1264.3367048680.

Adding to 2021102030 its reverse (302011202), we get a palindrome (2323113232).

The spelling of 2021102030 in words is "two billion, twenty-one million, one hundred two thousand, thirty".