2021020001120 has 24 divisors (see below), whose sum is σ = 4774659753024. Its totient is φ = 808408000384.

The previous prime is 2021020001111. The next prime is 2021020001129. The reversal of 2021020001120 is 211000201202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2021020001111) and next prime (2021020001129).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021020001129) 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, 6315687344 + ... + 6315687663.

It is an arithmetic number, because the mean of its divisors is an integer number (198944156376).

Almost surely, 2^{2021020001120} is an apocalyptic number.

2021020001120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2021020001120 is an abundant number, since it is smaller than the sum of its proper divisors (2753639751904).

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

2021020001120 is a wasteful number, since it uses less digits than its factorization.

2021020001120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12631375022 (or 12631375014 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2021020001120 its reverse (211000201202), we get a palindrome (2232020202322).

The spelling of 2021020001120 in words is "two trillion, twenty-one billion, twenty million, one thousand, one hundred twenty".