2130121120111 has 2 divisors, whose sum is σ = 2130121120112. Its totient is φ = 2130121120110.

The previous prime is 2130121120097. The next prime is 2130121120117. The reversal of 2130121120111 is 1110211210312.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2130121120111 - 2⁵ = 2130121120079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2130121120117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065060560055 + 1065060560056.

It is an arithmetic number, because the mean of its divisors is an integer number (1065060560056).

Almost surely, 2^{2130121120111} is an apocalyptic number.

2130121120111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130121120111 is an equidigital number, since it uses as much as digits as its factorization.

2130121120111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 2130121120111 its reverse (1110211210312), we get a palindrome (3240332330423).

The spelling of 2130121120111 in words is "two trillion, one hundred thirty billion, one hundred twenty-one million, one hundred twenty thousand, one hundred eleven".