122121120220001 has 8 divisors (see below), whose sum is σ = 139725413380224. Its totient is φ = 104556431770560.

The previous prime is 122121120219893. The next prime is 122121120220061. The reversal of 122121120220001 is 100022021121221.

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

It is a de Polignac number, because none of the positive numbers 2^k-122121120220001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122121120220061) 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, 9901171085 + ... + 9901183418.

It is an arithmetic number, because the mean of its divisors is an integer number (17465676672528).

Almost surely, 2^{122121120220001} is an apocalyptic number.

It is an amenable number.

122121120220001 is a deficient number, since it is larger than the sum of its proper divisors (17604293160223).

122121120220001 is an equidigital number, since it uses as much as digits as its factorization.

122121120220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19802355391.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122121120220001 its reverse (100022021121221), we get a palindrome (222143141341222).

The spelling of 122121120220001 in words is "one hundred twenty-two trillion, one hundred twenty-one billion, one hundred twenty million, two hundred twenty thousand, one".