1100202007081 has 2 divisors, whose sum is σ = 1100202007082. Its totient is φ = 1100202007080.

The previous prime is 1100202007061. The next prime is 1100202007087. The reversal of 1100202007081 is 1807002020011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 939494025625 + 160707981456 = 969275^2 + 400884^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100202007081 - 2¹⁷ = 1100201876009 is a prime.

It is a super-2 number, since 2×1100202007081² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1100202007087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550101003540 + 550101003541.

It is an arithmetic number, because the mean of its divisors is an integer number (550101003541).

Almost surely, 2^{1100202007081} is an apocalyptic number.

It is an amenable number.

1100202007081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100202007081 is an equidigital number, since it uses as much as digits as its factorization.

1100202007081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 1100202007081 its reverse (1807002020011), we get a palindrome (2907204027092).

The spelling of 1100202007081 in words is "one trillion, one hundred billion, two hundred two million, seven thousand, eighty-one".