103221312811 has 2 divisors, whose sum is σ = 103221312812. Its totient is φ = 103221312810.

The previous prime is 103221312781. The next prime is 103221312853. The reversal of 103221312811 is 118213122301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103221312811 - 2⁷ = 103221312683 is a prime.

It is not a weakly prime, because it can be changed into another prime (103221312911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51610656405 + 51610656406.

It is an arithmetic number, because the mean of its divisors is an integer number (51610656406).

Almost surely, 2^103221312811 is an apocalyptic number.

103221312811 is a deficient number, since it is larger than the sum of its proper divisors (1).

103221312811 is an equidigital number, since it uses as much as digits as its factorization.

103221312811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 103221312811 in words is "one hundred three billion, two hundred twenty-one million, three hundred twelve thousand, eight hundred eleven".