1228331106061 has 2 divisors, whose sum is σ = 1228331106062. Its totient is φ = 1228331106060.

The previous prime is 1228331106059. The next prime is 1228331106089. The reversal of 1228331106061 is 1606011338221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1191632041161 + 36699064900 = 1091619^2 + 191570^2 .

It is a cyclic number.

It is not a de Polignac number, because 1228331106061 - 2¹ = 1228331106059 is a prime.

It is a super-2 number, since 2×1228331106061² (a number of 25 digits) contains 22 as substring.

Together with 1228331106059, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1228331106461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 614165553030 + 614165553031.

It is an arithmetic number, because the mean of its divisors is an integer number (614165553031).

Almost surely, 2^{1228331106061} is an apocalyptic number.

It is an amenable number.

1228331106061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1228331106061 is an equidigital number, since it uses as much as digits as its factorization.

1228331106061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 1228331106061 in words is "one trillion, two hundred twenty-eight billion, three hundred thirty-one million, one hundred six thousand, sixty-one".