121011122113 has 12 divisors (see below), whose sum is σ = 148176885360. Its totient is φ = 98264669832.

The previous prime is 121011122047. The next prime is 121011122131. The reversal of 121011122113 is 311221110121.

It is a happy number.

It is not a de Polignac number, because 121011122113 - 2⁹ = 121011121601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121011122143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64988931 + ... + 64990792.

It is an arithmetic number, because the mean of its divisors is an integer number (12348073780).

Almost surely, 2^121011122113 is an apocalyptic number.

It is an amenable number.

121011122113 is a deficient number, since it is larger than the sum of its proper divisors (27165763247).

121011122113 is a wasteful number, since it uses less digits than its factorization.

121011122113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129979756 (or 129979749 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 121011122113 its reverse (311221110121), we get a palindrome (432232232234).

The spelling of 121011122113 in words is "one hundred twenty-one billion, eleven million, one hundred twenty-two thousand, one hundred thirteen".