10203620225551 has 2 divisors, whose sum is σ = 10203620225552. Its totient is φ = 10203620225550.

The previous prime is 10203620225521. The next prime is 10203620225567. The reversal of 10203620225551 is 15552202630201.

10203620225551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (15552202630201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10203620225551 - 2³¹ = 10201472741903 is a prime.

It is a super-2 number, since 2×10203620225551² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10203620225521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5101810112775 + 5101810112776.

It is an arithmetic number, because the mean of its divisors is an integer number (5101810112776).

Almost surely, 2^{10203620225551} is an apocalyptic number.

10203620225551 is a deficient number, since it is larger than the sum of its proper divisors (1).

10203620225551 is an equidigital number, since it uses as much as digits as its factorization.

10203620225551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 10203620225551 its reverse (15552202630201), we get a palindrome (25755822855752).

The spelling of 10203620225551 in words is "ten trillion, two hundred three billion, six hundred twenty million, two hundred twenty-five thousand, five hundred fifty-one".