2121132311107 has 2 divisors, whose sum is σ = 2121132311108. Its totient is φ = 2121132311106.

The previous prime is 2121132311099. The next prime is 2121132311117. The reversal of 2121132311107 is 7011132311212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2121132311107 - 2³ = 2121132311099 is a prime.

It is not a weakly prime, because it can be changed into another prime (2121132311117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060566155553 + 1060566155554.

It is an arithmetic number, because the mean of its divisors is an integer number (1060566155554).

Almost surely, 2^{2121132311107} is an apocalyptic number.

2121132311107 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121132311107 is an equidigital number, since it uses as much as digits as its factorization.

2121132311107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 25.

Adding to 2121132311107 its reverse (7011132311212), we get a palindrome (9132264622319).

The spelling of 2121132311107 in words is "two trillion, one hundred twenty-one billion, one hundred thirty-two million, three hundred eleven thousand, one hundred seven".