121311113323011 has 16 divisors (see below), whose sum is σ = 164252102091168. Its totient is φ = 79630947936000.

The previous prime is 121311113322991. The next prime is 121311113323093. The reversal of 121311113323011 is 110323311113121.

It is not a de Polignac number, because 121311113323011 - 2¹¹ = 121311113320963 is a prime.

It is a super-2 number, since 2×121311113323011² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121311113313011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1105930546 + ... + 1106040231.

It is an arithmetic number, because the mean of its divisors is an integer number (10265756380698).

Almost surely, 2^{121311113323011} is an apocalyptic number.

121311113323011 is a deficient number, since it is larger than the sum of its proper divisors (42940988768157).

121311113323011 is a wasteful number, since it uses less digits than its factorization.

121311113323011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2211971062.

The product of its (nonzero) digits is 324, while the sum is 24.

Adding to 121311113323011 its reverse (110323311113121), we get a palindrome (231634424436132).

The spelling of 121311113323011 in words is "one hundred twenty-one trillion, three hundred eleven billion, one hundred thirteen million, three hundred twenty-three thousand, eleven".