2021010220101 has 8 divisors (see below), whose sum is σ = 2709568030624. Its totient is φ = 1339896278160.

The previous prime is 2021010220051. The next prime is 2021010220127. The reversal of 2021010220101 is 1010220101202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2021010220101 - 2¹¹ = 2021010218053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021010320101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1860966511 + ... + 1860967596.

It is an arithmetic number, because the mean of its divisors is an integer number (338696003828).

Almost surely, 2^{2021010220101} is an apocalyptic number.

It is an amenable number.

2021010220101 is a deficient number, since it is larger than the sum of its proper divisors (688557810523).

2021010220101 is a wasteful number, since it uses less digits than its factorization.

2021010220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3721934291.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2021010220101 its reverse (1010220101202), we get a palindrome (3031230321303).

It can be divided in two parts, 202 and 1010220101, that multiplied together give a palindrome (204064460402).

The spelling of 2021010220101 in words is "two trillion, twenty-one billion, ten million, two hundred twenty thousand, one hundred one".