122121220220101 has 8 divisors (see below), whose sum is σ = 124426200963744. Its totient is φ = 119816269357200.

The previous prime is 122121220220093. The next prime is 122121220220171. The reversal of 122121220220101 is 101022022121221.

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 122121220220101 - 2³ = 122121220220093 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 (122121220220171) 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, 867870 + ... + 15652336.

It is an arithmetic number, because the mean of its divisors is an integer number (15553275120468).

Almost surely, 2^{122121220220101} is an apocalyptic number.

It is an amenable number.

122121220220101 is a deficient number, since it is larger than the sum of its proper divisors (2304980743643).

122121220220101 is a wasteful number, since it uses less digits than its factorization.

122121220220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14940371.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122121220220101 its reverse (101022022121221), we get a palindrome (223143242341322).

The spelling of 122121220220101 in words is "one hundred twenty-two trillion, one hundred twenty-one billion, two hundred twenty million, two hundred twenty thousand, one hundred one".