121022121102151 has 2 divisors, whose sum is σ = 121022121102152. Its totient is φ = 121022121102150.

The previous prime is 121022121102149. The next prime is 121022121102251. The reversal of 121022121102151 is 151201121220121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121022121102151 - 2¹ = 121022121102149 is a prime.

Together with 121022121102149, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121022121102251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60511060551075 + 60511060551076.

It is an arithmetic number, because the mean of its divisors is an integer number (60511060551076).

Almost surely, 2^{121022121102151} is an apocalyptic number.

121022121102151 is a deficient number, since it is larger than the sum of its proper divisors (1).

121022121102151 is an equidigital number, since it uses as much as digits as its factorization.

121022121102151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 160, while the sum is 22.

Adding to 121022121102151 its reverse (151201121220121), we get a palindrome (272223242322272).

The spelling of 121022121102151 in words is "one hundred twenty-one trillion, twenty-two billion, one hundred twenty-one million, one hundred two thousand, one hundred fifty-one".