1002220120037 has 2 divisors, whose sum is σ = 1002220120038. Its totient is φ = 1002220120036.

The previous prime is 1002220120003. The next prime is 1002220120051. The reversal of 1002220120037 is 7300210222001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 991217368801 + 11002751236 = 995599^2 + 104894^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002220120037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002220125037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501110060018 + 501110060019.

It is an arithmetic number, because the mean of its divisors is an integer number (501110060019).

Almost surely, 2^{1002220120037} is an apocalyptic number.

It is an amenable number.

1002220120037 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002220120037 is an equidigital number, since it uses as much as digits as its factorization.

1002220120037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 20.

Adding to 1002220120037 its reverse (7300210222001), we get a palindrome (8302430342038).

The spelling of 1002220120037 in words is "one trillion, two billion, two hundred twenty million, one hundred twenty thousand, thirty-seven".