103537283221 has 2 divisors, whose sum is σ = 103537283222. Its totient is φ = 103537283220.

The previous prime is 103537283173. The next prime is 103537283237. The reversal of 103537283221 is 122382735301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 103513410225 + 23872996 = 321735^2 + 4886^2 .

It is a cyclic number.

It is not a de Polignac number, because 103537283221 - 2⁷ = 103537283093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103537203221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51768641610 + 51768641611.

It is an arithmetic number, because the mean of its divisors is an integer number (51768641611).

Almost surely, 2^103537283221 is an apocalyptic number.

It is an amenable number.

103537283221 is a deficient number, since it is larger than the sum of its proper divisors (1).

103537283221 is an equidigital number, since it uses as much as digits as its factorization.

103537283221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 103537283221 in words is "one hundred three billion, five hundred thirty-seven million, two hundred eighty-three thousand, two hundred twenty-one".