220021200122001 has 8 divisors (see below), whose sum is σ = 293408787190944. Its totient is φ = 146657206567200.

The previous prime is 220021200121967. The next prime is 220021200122027. The reversal of 220021200122001 is 100221002120022.

220021200122001 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 220021200122001 - 2²³ = 220021191733393 is a prime.

It is a super-2 number, since 2×220021200122001² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (220021200123001) 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, 5898356775 + ... + 5898394076.

It is an arithmetic number, because the mean of its divisors is an integer number (36676098398868).

Almost surely, 2^{220021200122001} is an apocalyptic number.

It is an amenable number.

220021200122001 is a deficient number, since it is larger than the sum of its proper divisors (73387587068943).

220021200122001 is a wasteful number, since it uses less digits than its factorization.

220021200122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11796757071.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 220021200122001 its reverse (100221002120022), we get a palindrome (320242202242023).

The spelling of 220021200122001 in words is "two hundred twenty trillion, twenty-one billion, two hundred million, one hundred twenty-two thousand, one".