121220222201047 has 2 divisors, whose sum is σ = 121220222201048. Its totient is φ = 121220222201046.

The previous prime is 121220222201021. The next prime is 121220222201083. The reversal of 121220222201047 is 740102222022121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121220222201047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121220222201147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60610111100523 + 60610111100524.

It is an arithmetic number, because the mean of its divisors is an integer number (60610111100524).

Almost surely, 2^{121220222201047} is an apocalyptic number.

121220222201047 is a deficient number, since it is larger than the sum of its proper divisors (1).

121220222201047 is an equidigital number, since it uses as much as digits as its factorization.

121220222201047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 28.

Adding to 121220222201047 its reverse (740102222022121), we get a palindrome (861322444223168).

The spelling of 121220222201047 in words is "one hundred twenty-one trillion, two hundred twenty billion, two hundred twenty-two million, two hundred one thousand, forty-seven".