11011201001121 has 4 divisors (see below), whose sum is σ = 14681601334832. Its totient is φ = 7340800667412.

The previous prime is 11011201000979. The next prime is 11011201001153. The reversal of 11011201001121 is 12110010211011.

11011201001121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11011201001121 - 2²³ = 11011192612513 is a prime.

It is a super-2 number, since 2×11011201001121² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11011201001097 and 11011201001106.

It is not an unprimeable number, because it can be changed into a prime (11011201001161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1835200166851 + ... + 1835200166856.

It is an arithmetic number, because the mean of its divisors is an integer number (3670400333708).

Almost surely, 2^{11011201001121} is an apocalyptic number.

It is an amenable number.

11011201001121 is a deficient number, since it is larger than the sum of its proper divisors (3670400333711).

11011201001121 is an equidigital number, since it uses as much as digits as its factorization.

11011201001121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3670400333710.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11011201001121 its reverse (12110010211011), we get a palindrome (23121211212132).

The spelling of 11011201001121 in words is "eleven trillion, eleven billion, two hundred one million, one thousand, one hundred twenty-one".