103011113102021 has 2 divisors, whose sum is σ = 103011113102022. Its totient is φ = 103011113102020.

The previous prime is 103011113102003. The next prime is 103011113102081. The reversal of 103011113102021 is 120201311110301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98741703376996 + 4269409725025 = 9936886^2 + 2066255^2 .

It is a cyclic number.

It is not a de Polignac number, because 103011113102021 - 2⁶ = 103011113101957 is a prime.

It is a super-2 number, since 2×103011113102021² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103011113102081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51505556551010 + 51505556551011.

It is an arithmetic number, because the mean of its divisors is an integer number (51505556551011).

Almost surely, 2^{103011113102021} is an apocalyptic number.

It is an amenable number.

103011113102021 is a deficient number, since it is larger than the sum of its proper divisors (1).

103011113102021 is an equidigital number, since it uses as much as digits as its factorization.

103011113102021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 103011113102021 its reverse (120201311110301), we get a palindrome (223212424212322).

The spelling of 103011113102021 in words is "one hundred three trillion, eleven billion, one hundred thirteen million, one hundred two thousand, twenty-one".