210121011000227 has 2 divisors, whose sum is σ = 210121011000228. Its totient is φ = 210121011000226.

The previous prime is 210121011000181. The next prime is 210121011000233. The reversal of 210121011000227 is 722000110121012.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210121011000227 - 2⁸ = 210121010999971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210121011000199 and 210121011000208.

It is not a weakly prime, because it can be changed into another prime (210121011050227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105060505500113 + 105060505500114.

It is an arithmetic number, because the mean of its divisors is an integer number (105060505500114).

Almost surely, 2^{210121011000227} is an apocalyptic number.

210121011000227 is a deficient number, since it is larger than the sum of its proper divisors (1).

210121011000227 is an equidigital number, since it uses as much as digits as its factorization.

210121011000227 is an evil number, because the sum of its binary digits is even.

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

Adding to 210121011000227 its reverse (722000110121012), we get a palindrome (932121121121239).

The spelling of 210121011000227 in words is "two hundred ten trillion, one hundred twenty-one billion, eleven million, two hundred twenty-seven", and thus it is an aban number.