2021010202101 has 64 divisors (see below), whose sum is σ = 3204658391040. Its totient is φ = 1119998880000.

The previous prime is 2021010202087. The next prime is 2021010202121. The reversal of 2021010202101 is 1012020101202.

It is not a de Polignac number, because 2021010202101 - 2¹⁵ = 2021010169333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021010202121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1768566 + ... + 2677656.

It is an arithmetic number, because the mean of its divisors is an integer number (50072787360).

Almost surely, 2^{2021010202101} is an apocalyptic number.

It is an amenable number.

2021010202101 is a deficient number, since it is larger than the sum of its proper divisors (1183648188939).

2021010202101 is a wasteful number, since it uses less digits than its factorization.

2021010202101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909258.

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

Adding to 2021010202101 its reverse (1012020101202), we get a palindrome (3033030303303).

The spelling of 2021010202101 in words is "two trillion, twenty-one billion, ten million, two hundred two thousand, one hundred one".