1100002099901 has 2 divisors, whose sum is σ = 1100002099902. Its totient is φ = 1100002099900.

The previous prime is 1100002099883. The next prime is 1100002099913. The reversal of 1100002099901 is 1099902000011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 891185088676 + 208817011225 = 944026^2 + 456965^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100002099901 - 2⁶ = 1100002099837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100002099961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550001049950 + 550001049951.

It is an arithmetic number, because the mean of its divisors is an integer number (550001049951).

Almost surely, 2^{1100002099901} is an apocalyptic number.

It is an amenable number.

1100002099901 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100002099901 is an equidigital number, since it uses as much as digits as its factorization.

1100002099901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 32.

Adding to 1100002099901 its reverse (1099902000011), we get a palindrome (2199904099912).

The spelling of 1100002099901 in words is "one trillion, one hundred billion, two million, ninety-nine thousand, nine hundred one".