121010210220047 has 2 divisors, whose sum is σ = 121010210220048. Its totient is φ = 121010210220046.

The previous prime is 121010210220043. The next prime is 121010210220143. The reversal of 121010210220047 is 740022012010121.

It is a weak prime.

It is an emirp because it is prime and its reverse (740022012010121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121010210220047 - 2² = 121010210220043 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121010210220043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60505105110023 + 60505105110024.

It is an arithmetic number, because the mean of its divisors is an integer number (60505105110024).

Almost surely, 2^{121010210220047} is an apocalyptic number.

121010210220047 is a deficient number, since it is larger than the sum of its proper divisors (1).

121010210220047 is an equidigital number, since it uses as much as digits as its factorization.

121010210220047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 121010210220047 its reverse (740022012010121), we get a palindrome (861032222230168).

The spelling of 121010210220047 in words is "one hundred twenty-one trillion, ten billion, two hundred ten million, two hundred twenty thousand, forty-seven".