103720201051 has 2 divisors, whose sum is σ = 103720201052. Its totient is φ = 103720201050.

The previous prime is 103720201033. The next prime is 103720201087. The reversal of 103720201051 is 150102027301.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (150102027301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103720201051 - 2¹¹ = 103720199003 is a prime.

It is not a weakly prime, because it can be changed into another prime (103720201001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51860100525 + 51860100526.

It is an arithmetic number, because the mean of its divisors is an integer number (51860100526).

Almost surely, 2^103720201051 is an apocalyptic number.

103720201051 is a deficient number, since it is larger than the sum of its proper divisors (1).

103720201051 is an equidigital number, since it uses as much as digits as its factorization.

103720201051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 22.

Adding to 103720201051 its reverse (150102027301), we get a palindrome (253822228352).

The spelling of 103720201051 in words is "one hundred three billion, seven hundred twenty million, two hundred one thousand, fifty-one".