2010122211997 has 2 divisors, whose sum is σ = 2010122211998. Its totient is φ = 2010122211996.

The previous prime is 2010122211991. The next prime is 2010122212009. The reversal of 2010122211997 is 7991122210102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1991228609881 + 18893602116 = 1411109^2 + 137454^2 .

It is a cyclic number.

It is not a de Polignac number, because 2010122211997 - 2³ = 2010122211989 is a prime.

It is a super-3 number, since 3×2010122211997³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2010122211991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005061105998 + 1005061105999.

It is an arithmetic number, because the mean of its divisors is an integer number (1005061105999).

Almost surely, 2^{2010122211997} is an apocalyptic number.

It is an amenable number.

2010122211997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2010122211997 is an equidigital number, since it uses as much as digits as its factorization.

2010122211997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 37.

The spelling of 2010122211997 in words is "two trillion, ten billion, one hundred twenty-two million, two hundred eleven thousand, nine hundred ninety-seven".