122101212220151 has 2 divisors, whose sum is σ = 122101212220152. Its totient is φ = 122101212220150.

The previous prime is 122101212220147. The next prime is 122101212220213. The reversal of 122101212220151 is 151022212101221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122101212220151 - 2² = 122101212220147 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122101212220451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61050606110075 + 61050606110076.

It is an arithmetic number, because the mean of its divisors is an integer number (61050606110076).

Almost surely, 2^{122101212220151} is an apocalyptic number.

122101212220151 is a deficient number, since it is larger than the sum of its proper divisors (1).

122101212220151 is an equidigital number, since it uses as much as digits as its factorization.

122101212220151 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 23.

Adding to 122101212220151 its reverse (151022212101221), we get a palindrome (273123424321372).

The spelling of 122101212220151 in words is "one hundred twenty-two trillion, one hundred one billion, two hundred twelve million, two hundred twenty thousand, one hundred fifty-one".