2021010403100 has 144 divisors (see below), whose sum is σ = 4887168138720. Its totient is φ = 720286694400.

The previous prime is 2021010403081. The next prime is 2021010403157. The reversal of 2021010403100 is 13040101202.

It is a super-2 number, since 2×2021010403100² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 225479219 + ... + 225488181.

It is an arithmetic number, because the mean of its divisors is an integer number (33938667630).

Almost surely, 2^{2021010403100} is an apocalyptic number.

2021010403100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2021010403100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2443584069360).

2021010403100 is an abundant number, since it is smaller than the sum of its proper divisors (2866157735620).

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

2021010403100 is a wasteful number, since it uses less digits than its factorization.

2021010403100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15000 (or 14993 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 2021010403100 its reverse (13040101202), we get a palindrome (2034050504302).

The spelling of 2021010403100 in words is "two trillion, twenty-one billion, ten million, four hundred three thousand, one hundred".