102121011227 has 2 divisors, whose sum is σ = 102121011228. Its totient is φ = 102121011226.

The previous prime is 102121011193. The next prime is 102121011233. The reversal of 102121011227 is 722110121201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102121011227 - 2²⁸ = 101852575771 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 102121011199 and 102121011208.

It is not a weakly prime, because it can be changed into another prime (102121011127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51060505613 + 51060505614.

It is an arithmetic number, because the mean of its divisors is an integer number (51060505614).

Almost surely, 2^102121011227 is an apocalyptic number.

102121011227 is a deficient number, since it is larger than the sum of its proper divisors (1).

102121011227 is an equidigital number, since it uses as much as digits as its factorization.

102121011227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 102121011227 its reverse (722110121201), we get a palindrome (824231132428).

The spelling of 102121011227 in words is "one hundred two billion, one hundred twenty-one million, eleven thousand, two hundred twenty-seven".