210001102000061 has 2 divisors, whose sum is σ = 210001102000062. Its totient is φ = 210001102000060.

The previous prime is 210001102000043. The next prime is 210001102000127. The reversal of 210001102000061 is 160000201100012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 174703125735961 + 35297976264100 = 13217531^2 + 5941210^2 .

It is a cyclic number.

It is not a de Polignac number, because 210001102000061 - 2³⁴ = 209983922130877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210001102000021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105000551000030 + 105000551000031.

It is an arithmetic number, because the mean of its divisors is an integer number (105000551000031).

Almost surely, 2^{210001102000061} is an apocalyptic number.

It is an amenable number.

210001102000061 is a deficient number, since it is larger than the sum of its proper divisors (1).

210001102000061 is an equidigital number, since it uses as much as digits as its factorization.

210001102000061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 210001102000061 its reverse (160000201100012), we get a palindrome (370001303100073).

The spelling of 210001102000061 in words is "two hundred ten trillion, one billion, one hundred two million, sixty-one", and thus it is an aban number.