2021010442101 has 24 divisors (see below), whose sum is σ = 3339082004544. Its totient is φ = 1153890141120.

The previous prime is 2021010442097. The next prime is 2021010442153. The reversal of 2021010442101 is 1012440101202.

2021010442101 is a `hidden beast` number, since 2 + 0 + 210 + 1 + 0 + 442 + 10 + 1 = 666.

It is not a de Polignac number, because 2021010442101 - 2² = 2021010442097 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021010442201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13438080 + ... + 13587641.

It is an arithmetic number, because the mean of its divisors is an integer number (139128416856).

Almost surely, 2^{2021010442101} is an apocalyptic number.

2021010442101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2021010442101 is a deficient number, since it is larger than the sum of its proper divisors (1318071562443).

2021010442101 is a wasteful number, since it uses less digits than its factorization.

2021010442101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27026921 (or 27026918 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2021010442101 its reverse (1012440101202), we get a palindrome (3033450543303).

The spelling of 2021010442101 in words is "two trillion, twenty-one billion, ten million, four hundred forty-two thousand, one hundred one".