2210020199957 has 2 divisors, whose sum is σ = 2210020199958. Its totient is φ = 2210020199956.

The previous prime is 2210020199903. The next prime is 2210020199977. The reversal of 2210020199957 is 7599910200122.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1155278875921 + 1054741324036 = 1074839^2 + 1027006^2 .

It is a cyclic number.

It is not a de Polignac number, because 2210020199957 - 2¹⁸ = 2210019937813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2210020199977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105010099978 + 1105010099979.

It is an arithmetic number, because the mean of its divisors is an integer number (1105010099979).

Almost surely, 2^{2210020199957} is an apocalyptic number.

It is an amenable number.

2210020199957 is a deficient number, since it is larger than the sum of its proper divisors (1).

2210020199957 is an equidigital number, since it uses as much as digits as its factorization.

2210020199957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 47.

The spelling of 2210020199957 in words is "two trillion, two hundred ten billion, twenty million, one hundred ninety-nine thousand, nine hundred fifty-seven".