2021001102163 has 2 divisors, whose sum is σ = 2021001102164. Its totient is φ = 2021001102162.

The previous prime is 2021001102137. The next prime is 2021001102223. The reversal of 2021001102163 is 3612011001202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2021001102163 - 2¹⁷ = 2021000971091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2021001102163.

It is not a weakly prime, because it can be changed into another prime (2021001102863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010500551081 + 1010500551082.

It is an arithmetic number, because the mean of its divisors is an integer number (1010500551082).

Almost surely, 2^{2021001102163} is an apocalyptic number.

2021001102163 is a deficient number, since it is larger than the sum of its proper divisors (1).

2021001102163 is an equidigital number, since it uses as much as digits as its factorization.

2021001102163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2021001102163 its reverse (3612011001202), we get a palindrome (5633012103365).

The spelling of 2021001102163 in words is "two trillion, twenty-one billion, one million, one hundred two thousand, one hundred sixty-three".