11220020002501 has 2 divisors, whose sum is σ = 11220020002502. Its totient is φ = 11220020002500.

The previous prime is 11220020002481. The next prime is 11220020002517. The reversal of 11220020002501 is 10520002002211.

It is a happy number.

It is an a-pointer prime, because the next prime (11220020002517) can be obtained adding 11220020002501 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11096960064100 + 123059938401 = 3331210^2 + 350799^2 .

It is a cyclic number.

It is not a de Polignac number, because 11220020002501 - 2²⁹ = 11219483131589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11220020009501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610010001250 + 5610010001251.

It is an arithmetic number, because the mean of its divisors is an integer number (5610010001251).

Almost surely, 2^{11220020002501} is an apocalyptic number.

It is an amenable number.

11220020002501 is a deficient number, since it is larger than the sum of its proper divisors (1).

11220020002501 is an equidigital number, since it uses as much as digits as its factorization.

11220020002501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 11220020002501 its reverse (10520002002211), we get a palindrome (21740022004712).

The spelling of 11220020002501 in words is "eleven trillion, two hundred twenty billion, twenty million, two thousand, five hundred one".