749011121121121 has 4 divisors (see below), whose sum is σ = 753971459671744. Its totient is φ = 744050782570500.

The previous prime is 749011121121083. The next prime is 749011121121143. The reversal of 749011121121121 is 121121121110947.

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 a cyclic number.

It is not a de Polignac number, because 749011121121121 - 2¹⁵ = 749011121088353 is a prime.

It is a super-2 number, since 2×749011121121121² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (749011121121181) 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, 2480169275085 + ... + 2480169275386.

It is an arithmetic number, because the mean of its divisors is an integer number (188492864917936).

Almost surely, 2^{749011121121121} is an apocalyptic number.

It is an amenable number.

749011121121121 is a deficient number, since it is larger than the sum of its proper divisors (4960338550623).

749011121121121 is a wasteful number, since it uses less digits than its factorization.

749011121121121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4960338550622.

The product of its (nonzero) digits is 2016, while the sum is 34.

The spelling of 749011121121121 in words is "seven hundred forty-nine trillion, eleven billion, one hundred twenty-one million, one hundred twenty-one thousand, one hundred twenty-one".