122101110122021 has 8 divisors (see below), whose sum is σ = 126407211648384. Its totient is φ = 117866183827680.

The previous prime is 122101110121999. The next prime is 122101110122071. The reversal of 122101110122021 is 120221011101221.

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

It is a cyclic number.

It is not a de Polignac number, because 122101110122021 - 2¹⁸ = 122101109859877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122101110122071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17793804515 + ... + 17793811376.

It is an arithmetic number, because the mean of its divisors is an integer number (15800901456048).

Almost surely, 2^{122101110122021} is an apocalyptic number.

It is an amenable number.

122101110122021 is a deficient number, since it is larger than the sum of its proper divisors (4306101526363).

122101110122021 is an equidigital number, since it uses as much as digits as its factorization.

122101110122021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35587616011.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 122101110122021 its reverse (120221011101221), we get a palindrome (242322121223242).

The spelling of 122101110122021 in words is "one hundred twenty-two trillion, one hundred one billion, one hundred ten million, one hundred twenty-two thousand, twenty-one".