2102522203157 has 2 divisors, whose sum is σ = 2102522203158. Its totient is φ = 2102522203156.

The previous prime is 2102522203087. The next prime is 2102522203181. The reversal of 2102522203157 is 7513022252012.

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., 1166196968836 + 936325234321 = 1079906^2 + 967639^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102522203157 - 2²² = 2102518008853 is a prime.

It is a super-2 number, since 2×2102522203157² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2102522203057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051261101578 + 1051261101579.

It is an arithmetic number, because the mean of its divisors is an integer number (1051261101579).

Almost surely, 2^{2102522203157} is an apocalyptic number.

It is an amenable number.

2102522203157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102522203157 is an equidigital number, since it uses as much as digits as its factorization.

2102522203157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 32.

Adding to 2102522203157 its reverse (7513022252012), we get a palindrome (9615544455169).

The spelling of 2102522203157 in words is "two trillion, one hundred two billion, five hundred twenty-two million, two hundred three thousand, one hundred fifty-seven".