11467970121 has 4 divisors (see below), whose sum is σ = 15290626832. Its totient is φ = 7645313412.

The previous prime is 11467970117. The next prime is 11467970123. The reversal of 11467970121 is 12107976411.

It is a happy number.

11467970121 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 11467970121 - 2² = 11467970117 is a prime.

It is a super-2 number, since 2×11467970121² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11467970121.

It is not an unprimeable number, because it can be changed into a prime (11467970123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1911328351 + ... + 1911328356.

It is an arithmetic number, because the mean of its divisors is an integer number (3822656708).

Almost surely, 2^11467970121 is an apocalyptic number.

It is an amenable number.

11467970121 is a deficient number, since it is larger than the sum of its proper divisors (3822656711).

11467970121 is an equidigital number, since it uses as much as digits as its factorization.

11467970121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3822656710.

The product of its (nonzero) digits is 21168, while the sum is 39.

The spelling of 11467970121 in words is "eleven billion, four hundred sixty-seven million, nine hundred seventy thousand, one hundred twenty-one".