1102772774321 has 2 divisors, whose sum is σ = 1102772774322. Its totient is φ = 1102772774320.

The previous prime is 1102772774317. The next prime is 1102772774329. The reversal of 1102772774321 is 1234772772011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1085688977296 + 17083797025 = 1041964^2 + 130705^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102772774321 - 2² = 1102772774317 is a prime.

It is a super-2 number, since 2×1102772774321² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1102772774329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551386387160 + 551386387161.

It is an arithmetic number, because the mean of its divisors is an integer number (551386387161).

Almost surely, 2^{1102772774321} is an apocalyptic number.

It is an amenable number.

1102772774321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102772774321 is an equidigital number, since it uses as much as digits as its factorization.

1102772774321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 230496, while the sum is 44.

The spelling of 1102772774321 in words is "one trillion, one hundred two billion, seven hundred seventy-two million, seven hundred seventy-four thousand, three hundred twenty-one".