2102210200157 has 2 divisors, whose sum is σ = 2102210200158. Its totient is φ = 2102210200156.

The previous prime is 2102210200049. The next prime is 2102210200213. The reversal of 2102210200157 is 7510020122012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2073041317636 + 29168882521 = 1439806^2 + 170789^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102210200157 - 2³⁶ = 2033490723421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102210200357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051105100078 + 1051105100079.

It is an arithmetic number, because the mean of its divisors is an integer number (1051105100079).

Almost surely, 2^{2102210200157} is an apocalyptic number.

It is an amenable number.

2102210200157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102210200157 is an equidigital number, since it uses as much as digits as its factorization.

2102210200157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560, while the sum is 23.

Adding to 2102210200157 its reverse (7510020122012), we get a palindrome (9612230322169).

The spelling of 2102210200157 in words is "two trillion, one hundred two billion, two hundred ten million, two hundred thousand, one hundred fifty-seven".