2021232102101 has 2 divisors, whose sum is σ = 2021232102102. Its totient is φ = 2021232102100.

The previous prime is 2021232102091. The next prime is 2021232102193. The reversal of 2021232102101 is 1012012321202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1549462311076 + 471769791025 = 1244774^2 + 686855^2 .

It is a cyclic number.

It is not a de Polignac number, because 2021232102101 - 2⁶ = 2021232102037 is a prime.

It is a super-2 number, since 2×2021232102101² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2021232102101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2021232101101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010616051050 + 1010616051051.

It is an arithmetic number, because the mean of its divisors is an integer number (1010616051051).

Almost surely, 2^{2021232102101} is an apocalyptic number.

It is an amenable number.

2021232102101 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021232102101 is an equidigital number, since it uses as much as digits as its factorization.

2021232102101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2021232102101 its reverse (1012012321202), we get a palindrome (3033244423303).

The spelling of 2021232102101 in words is "two trillion, twenty-one billion, two hundred thirty-two million, one hundred two thousand, one hundred one".