2110021020001 has 2 divisors, whose sum is σ = 2110021020002. Its totient is φ = 2110021020000.

The previous prime is 2110021019987. The next prime is 2110021020011. The reversal of 2110021020001 is 1000201200112.

It is an a-pointer prime, because the next prime (2110021020011) can be obtained adding 2110021020001 to its sum of digits (10).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1963013957776 + 147007062225 = 1401076^2 + 383415^2 .

It is a cyclic number.

It is not a de Polignac number, because 2110021020001 - 2³³ = 2101431085409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2110021020001.

It is not a weakly prime, because it can be changed into another prime (2110021020011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055010510000 + 1055010510001.

It is an arithmetic number, because the mean of its divisors is an integer number (1055010510001).

Almost surely, 2^{2110021020001} is an apocalyptic number.

It is an amenable number.

2110021020001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2110021020001 is an equidigital number, since it uses as much as digits as its factorization.

2110021020001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2110021020001 its reverse (1000201200112), we get a palindrome (3110222220113).

The spelling of 2110021020001 in words is "two trillion, one hundred ten billion, twenty-one million, twenty thousand, one".