122113232101021 has 4 divisors (see below), whose sum is σ = 139557979544032. Its totient is φ = 104668484658012.

The previous prime is 122113232100989. The next prime is 122113232101033. The reversal of 122113232101021 is 120101232311221.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 122113232101021 - 2⁵ = 122113232100989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122113232100983 and 122113232101001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122113238101021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8722373721495 + ... + 8722373721508.

It is an arithmetic number, because the mean of its divisors is an integer number (34889494886008).

Almost surely, 2^{122113232101021} is an apocalyptic number.

It is an amenable number.

122113232101021 is a deficient number, since it is larger than the sum of its proper divisors (17444747443011).

122113232101021 is an equidigital number, since it uses as much as digits as its factorization.

122113232101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17444747443010.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 122113232101021 its reverse (120101232311221), we get a palindrome (242214464412242).

The spelling of 122113232101021 in words is "one hundred twenty-two trillion, one hundred thirteen billion, two hundred thirty-two million, one hundred one thousand, twenty-one".