220122121100001 has 32 divisors (see below), whose sum is σ = 304747128069120. Its totient is φ = 141180203577600.

The previous prime is 220122121099961. The next prime is 220122121100033. The reversal of 220122121100001 is 100001121221022.

220122121100001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 220122121100001 - 2¹⁴ = 220122121083617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220122121100501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6258991 + ... + 21895643.

It is an arithmetic number, because the mean of its divisors is an integer number (9523347752160).

Almost surely, 2^{220122121100001} is an apocalyptic number.

It is an amenable number.

220122121100001 is a deficient number, since it is larger than the sum of its proper divisors (84625006969119).

220122121100001 is a wasteful number, since it uses less digits than its factorization.

220122121100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15637577.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 220122121100001 its reverse (100001121221022), we get a palindrome (320123242321023).

The spelling of 220122121100001 in words is "two hundred twenty trillion, one hundred twenty-two billion, one hundred twenty-one million, one hundred thousand, one".