2021000121030 has 32 divisors (see below), whose sum is σ = 5291345772288. Its totient is φ = 489939423200.

The previous prime is 2021000120987. The next prime is 2021000121031. The reversal of 2021000121030 is 301210001202.

It is a junction number, because it is equal to n+sod(n) for n = 2021000120997 and 2021000121015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021000121031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3062121066 + ... + 3062121725.

It is an arithmetic number, because the mean of its divisors is an integer number (165354555384).

Almost surely, 2^{2021000121030} is an apocalyptic number.

2021000121030 is an abundant number, since it is smaller than the sum of its proper divisors (3270345651258).

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

2021000121030 is a wasteful number, since it uses less digits than its factorization.

2021000121030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6124242812.

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

Adding to 2021000121030 its reverse (301210001202), we get a palindrome (2322210122232).

The spelling of 2021000121030 in words is "two trillion, twenty-one billion, one hundred twenty-one thousand, thirty".