2121120000107 has 2 divisors, whose sum is σ = 2121120000108. Its totient is φ = 2121120000106.

The previous prime is 2121120000091. The next prime is 2121120000229. The reversal of 2121120000107 is 7010000211212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2121120000107 - 2⁴ = 2121120000091 is a prime.

It is a super-2 number, since 2×2121120000107² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2121120050107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060560000053 + 1060560000054.

It is an arithmetic number, because the mean of its divisors is an integer number (1060560000054).

Almost surely, 2^{2121120000107} is an apocalyptic number.

2121120000107 is a deficient number, since it is larger than the sum of its proper divisors (1).

2121120000107 is an equidigital number, since it uses as much as digits as its factorization.

2121120000107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56, while the sum is 17.

Adding to 2121120000107 its reverse (7010000211212), we get a palindrome (9131120211319).

The spelling of 2121120000107 in words is "two trillion, one hundred twenty-one billion, one hundred twenty million, one hundred seven", and thus it is an aban number.