2122121122007 has 2 divisors, whose sum is σ = 2122121122008. Its totient is φ = 2122121122006.

The previous prime is 2122121121983. The next prime is 2122121122067. The reversal of 2122121122007 is 7002211212212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2122121122007 - 2¹⁴ = 2122121105623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2122121122067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061060561003 + 1061060561004.

It is an arithmetic number, because the mean of its divisors is an integer number (1061060561004).

Almost surely, 2^{2122121122007} is an apocalyptic number.

2122121122007 is a deficient number, since it is larger than the sum of its proper divisors (1).

2122121122007 is an equidigital number, since it uses as much as digits as its factorization.

2122121122007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 23.

Adding to 2122121122007 its reverse (7002211212212), we get a palindrome (9124332334219).

The spelling of 2122121122007 in words is "two trillion, one hundred twenty-two billion, one hundred twenty-one million, one hundred twenty-two thousand, seven".