2010020101997 has 2 divisors, whose sum is σ = 2010020101998. Its totient is φ = 2010020101996.

The previous prime is 2010020101961. The next prime is 2010020102009. The reversal of 2010020101997 is 7991010200102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1517673699721 + 492346402276 = 1231939^2 + 701674^2 .

It is a cyclic number.

It is not a de Polignac number, because 2010020101997 - 2⁶ = 2010020101933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2010020101907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005010050998 + 1005010050999.

It is an arithmetic number, because the mean of its divisors is an integer number (1005010050999).

Almost surely, 2^{2010020101997} is an apocalyptic number.

It is an amenable number.

2010020101997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2010020101997 is an equidigital number, since it uses as much as digits as its factorization.

2010020101997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 32.

The spelling of 2010020101997 in words is "two trillion, ten billion, twenty million, one hundred one thousand, nine hundred ninety-seven".