1100202610961 has 2 divisors, whose sum is σ = 1100202610962. Its totient is φ = 1100202610960.

The previous prime is 1100202610957. The next prime is 1100202610993. The reversal of 1100202610961 is 1690162020011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1001280409600 + 98922201361 = 1000640^2 + 314519^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100202610961 - 2² = 1100202610957 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100202610901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550101305480 + 550101305481.

It is an arithmetic number, because the mean of its divisors is an integer number (550101305481).

Almost surely, 2^{1100202610961} is an apocalyptic number.

It is an amenable number.

1100202610961 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100202610961 is an equidigital number, since it uses as much as digits as its factorization.

1100202610961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 29.

Adding to 1100202610961 its reverse (1690162020011), we get a palindrome (2790364630972).

The spelling of 1100202610961 in words is "one trillion, one hundred billion, two hundred two million, six hundred ten thousand, nine hundred sixty-one".