1102202120273 has 2 divisors, whose sum is σ = 1102202120274. Its totient is φ = 1102202120272.

The previous prime is 1102202120249. The next prime is 1102202120293. The reversal of 1102202120273 is 3720212022011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 804558768784 + 297643351489 = 896972^2 + 545567^2 .

It is an emirp because it is prime and its reverse (3720212022011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1102202120273 - 2²⁶ = 1102135011409 is a prime.

It is not a weakly prime, because it can be changed into another prime (1102202120293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551101060136 + 551101060137.

It is an arithmetic number, because the mean of its divisors is an integer number (551101060137).

Almost surely, 2^{1102202120273} is an apocalyptic number.

It is an amenable number.

1102202120273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102202120273 is an equidigital number, since it uses as much as digits as its factorization.

1102202120273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 1102202120273 its reverse (3720212022011), we get a palindrome (4822414142284).

The spelling of 1102202120273 in words is "one trillion, one hundred two billion, two hundred two million, one hundred twenty thousand, two hundred seventy-three".