2220120121207 has 2 divisors, whose sum is σ = 2220120121208. Its totient is φ = 2220120121206.

The previous prime is 2220120121169. The next prime is 2220120121213. The reversal of 2220120121207 is 7021210210222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2220120121207 - 2²³ = 2220111732599 is a prime.

It is a super-2 number, since 2×2220120121207² (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 (2220120121237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110060060603 + 1110060060604.

It is an arithmetic number, because the mean of its divisors is an integer number (1110060060604).

Almost surely, 2^{2220120121207} is an apocalyptic number.

2220120121207 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220120121207 is an equidigital number, since it uses as much as digits as its factorization.

2220120121207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 2220120121207 its reverse (7021210210222), we get a palindrome (9241330331429).

The spelling of 2220120121207 in words is "two trillion, two hundred twenty billion, one hundred twenty million, one hundred twenty-one thousand, two hundred seven".