103020436121 has 2 divisors, whose sum is σ = 103020436122. Its totient is φ = 103020436120.

The previous prime is 103020436117. The next prime is 103020436139. The reversal of 103020436121 is 121634020301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59616547225 + 43403888896 = 244165^2 + 208336^2 .

It is a cyclic number.

It is not a de Polignac number, because 103020436121 - 2² = 103020436117 is a prime.

It is a super-2 number, since 2×103020436121² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (103020435121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51510218060 + 51510218061.

It is an arithmetic number, because the mean of its divisors is an integer number (51510218061).

Almost surely, 2^103020436121 is an apocalyptic number.

It is an amenable number.

103020436121 is a deficient number, since it is larger than the sum of its proper divisors (1).

103020436121 is an equidigital number, since it uses as much as digits as its factorization.

103020436121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 103020436121 its reverse (121634020301), we get a palindrome (224654456422).

The spelling of 103020436121 in words is "one hundred three billion, twenty million, four hundred thirty-six thousand, one hundred twenty-one".