2120422155151 has 2 divisors, whose sum is σ = 2120422155152. Its totient is φ = 2120422155150.

The previous prime is 2120422155127. The next prime is 2120422155193. The reversal of 2120422155151 is 1515512240212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2120422155151 - 2¹⁹ = 2120421630863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120422155251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060211077575 + 1060211077576.

It is an arithmetic number, because the mean of its divisors is an integer number (1060211077576).

Almost surely, 2^{2120422155151} is an apocalyptic number.

2120422155151 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120422155151 is an equidigital number, since it uses as much as digits as its factorization.

2120422155151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8000, while the sum is 31.

Adding to 2120422155151 its reverse (1515512240212), we get a palindrome (3635934395363).

The spelling of 2120422155151 in words is "two trillion, one hundred twenty billion, four hundred twenty-two million, one hundred fifty-five thousand, one hundred fifty-one".