1100201121137 has 2 divisors, whose sum is σ = 1100201121138. Its totient is φ = 1100201121136.

The previous prime is 1100201121101. The next prime is 1100201121139. The reversal of 1100201121137 is 7311211020011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1097530712161 + 2670408976 = 1047631^2 + 51676^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100201121137 - 2²⁰ = 1100200072561 is a prime.

It is a super-2 number, since 2×1100201121137² (a number of 25 digits) contains 22 as substring.

Together with 1100201121139, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1100201121139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550100560568 + 550100560569.

It is an arithmetic number, because the mean of its divisors is an integer number (550100560569).

Almost surely, 2^{1100201121137} is an apocalyptic number.

It is an amenable number.

1100201121137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100201121137 is an equidigital number, since it uses as much as digits as its factorization.

1100201121137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 20.

Adding to 1100201121137 its reverse (7311211020011), we get a palindrome (8411412141148).

The spelling of 1100201121137 in words is "one trillion, one hundred billion, two hundred one million, one hundred twenty-one thousand, one hundred thirty-seven".