2111131122151 has 2 divisors, whose sum is σ = 2111131122152. Its totient is φ = 2111131122150.

The previous prime is 2111131122091. The next prime is 2111131122173. The reversal of 2111131122151 is 1512211311112.

It is an a-pointer prime, because the next prime (2111131122173) can be obtained adding 2111131122151 to its sum of digits (22).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2111131122151 - 2⁹ = 2111131121639 is a prime.

It is a super-2 number, since 2×2111131122151² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2111131722151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055565561075 + 1055565561076.

It is an arithmetic number, because the mean of its divisors is an integer number (1055565561076).

Almost surely, 2^{2111131122151} is an apocalyptic number.

2111131122151 is a deficient number, since it is larger than the sum of its proper divisors (1).

2111131122151 is an equidigital number, since it uses as much as digits as its factorization.

2111131122151 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120, while the sum is 22.

Adding to 2111131122151 its reverse (1512211311112), we get a palindrome (3623342433263).

The spelling of 2111131122151 in words is "two trillion, one hundred eleven billion, one hundred thirty-one million, one hundred twenty-two thousand, one hundred fifty-one".