11010220201997 has 2 divisors, whose sum is σ = 11010220201998. Its totient is φ = 11010220201996.

The previous prime is 11010220201973. The next prime is 11010220202021. The reversal of 11010220201997 is 79910202201011.

It is a balanced prime because it is at equal distance from previous prime (11010220201973) and next prime (11010220202021).

It can be written as a sum of positive squares in only one way, i.e., 8502624437476 + 2507595764521 = 2915926^2 + 1583539^2 .

It is a cyclic number.

It is not a de Polignac number, because 11010220201997 - 2¹² = 11010220197901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11010220291997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505110100998 + 5505110100999.

It is an arithmetic number, because the mean of its divisors is an integer number (5505110100999).

Almost surely, 2^{11010220201997} is an apocalyptic number.

It is an amenable number.

11010220201997 is a deficient number, since it is larger than the sum of its proper divisors (1).

11010220201997 is an equidigital number, since it uses as much as digits as its factorization.

11010220201997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 35.

The spelling of 11010220201997 in words is "eleven trillion, ten billion, two hundred twenty million, two hundred one thousand, nine hundred ninety-seven".