121020122113 has 8 divisors (see below), whose sum is σ = 132024719520. Its totient is φ = 110015986080.

The previous prime is 121020122081. The next prime is 121020122123. The reversal of 121020122113 is 311221020121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 121020122113 - 2⁵ = 121020122081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121020122123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 659406 + ... + 822712.

It is an arithmetic number, because the mean of its divisors is an integer number (16503089940).

Almost surely, 2^121020122113 is an apocalyptic number.

It is an amenable number.

121020122113 is a deficient number, since it is larger than the sum of its proper divisors (11004597407).

121020122113 is a wasteful number, since it uses less digits than its factorization.

121020122113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230687.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 121020122113 its reverse (311221020121), we get a palindrome (432241142234).

The spelling of 121020122113 in words is "one hundred twenty-one billion, twenty million, one hundred twenty-two thousand, one hundred thirteen".