2102102111227 has 2 divisors, whose sum is σ = 2102102111228. Its totient is φ = 2102102111226.

The previous prime is 2102102111191. The next prime is 2102102111243. The reversal of 2102102111227 is 7221112012012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2102102111227 - 2³¹ = 2099954627579 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2102102111198 and 2102102111207.

It is not a weakly prime, because it can be changed into another prime (2102102111297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051051055613 + 1051051055614.

It is an arithmetic number, because the mean of its divisors is an integer number (1051051055614).

Almost surely, 2^{2102102111227} is an apocalyptic number.

2102102111227 is a deficient number, since it is larger than the sum of its proper divisors (1).

2102102111227 is an equidigital number, since it uses as much as digits as its factorization.

2102102111227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 2102102111227 its reverse (7221112012012), we get a palindrome (9323214123239).

The spelling of 2102102111227 in words is "two trillion, one hundred two billion, one hundred two million, one hundred eleven thousand, two hundred twenty-seven".