11101001990129 has 2 divisors, whose sum is σ = 11101001990130. Its totient is φ = 11101001990128.

The previous prime is 11101001990123. The next prime is 11101001990147. The reversal of 11101001990129 is 92109910010111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8653804810225 + 2447197179904 = 2941735^2 + 1564352^2 .

It is a cyclic number.

It is not a de Polignac number, because 11101001990129 - 2³² = 11096707022833 is a prime.

It is a super-2 number, since 2×11101001990129² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11101001990123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550500995064 + 5550500995065.

It is an arithmetic number, because the mean of its divisors is an integer number (5550500995065).

Almost surely, 2^{11101001990129} is an apocalyptic number.

It is an amenable number.

11101001990129 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101001990129 is an equidigital number, since it uses as much as digits as its factorization.

11101001990129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 35.

The spelling of 11101001990129 in words is "eleven trillion, one hundred one billion, one million, nine hundred ninety thousand, one hundred twenty-nine".