121131232013011 has 24 divisors (see below), whose sum is σ = 135075032290352. Its totient is φ = 108531832780800.

The previous prime is 121131232013003. The next prime is 121131232013039. The reversal of 121131232013011 is 110310232131121.

It is not a de Polignac number, because 121131232013011 - 2³ = 121131232013003 is a prime.

It is a super-2 number, since 2×121131232013011² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (121131232013081) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18583125 + ... + 24240358.

Almost surely, 2^{121131232013011} is an apocalyptic number.

121131232013011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121131232013011 is a deficient number, since it is larger than the sum of its proper divisors (13943800277341).

121131232013011 is a wasteful number, since it uses less digits than its factorization.

121131232013011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42823843 (or 42823832 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 121131232013011 its reverse (110310232131121), we get a palindrome (231441464144132).

The spelling of 121131232013011 in words is "one hundred twenty-one trillion, one hundred thirty-one billion, two hundred thirty-two million, thirteen thousand, eleven".