2210020211957 has 2 divisors, whose sum is σ = 2210020211958. Its totient is φ = 2210020211956.

The previous prime is 2210020211941. The next prime is 2210020211977. The reversal of 2210020211957 is 7591120200122.

2210020211957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2206416130801 + 3604081156 = 1485401^2 + 60034^2 .

It is a cyclic number.

It is not a de Polignac number, because 2210020211957 - 2⁴ = 2210020211941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2210020211977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105010105978 + 1105010105979.

It is an arithmetic number, because the mean of its divisors is an integer number (1105010105979).

Almost surely, 2^{2210020211957} is an apocalyptic number.

It is an amenable number.

2210020211957 is a deficient number, since it is larger than the sum of its proper divisors (1).

2210020211957 is an equidigital number, since it uses as much as digits as its factorization.

2210020211957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 32.

The spelling of 2210020211957 in words is "two trillion, two hundred ten billion, twenty million, two hundred eleven thousand, nine hundred fifty-seven".