220120001222001 has 16 divisors (see below), whose sum is σ = 299040673245120. Its totient is φ = 143982546256640.

The previous prime is 220120001221999. The next prime is 220120001222101. The reversal of 220120001222001 is 100222100021022.

220120001222001 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 cyclic number.

It is not a de Polignac number, because 220120001222001 - 2¹ = 220120001221999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220120001222101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1193397060 + ... + 1193581493.

It is an arithmetic number, because the mean of its divisors is an integer number (18690042077820).

Almost surely, 2^{220120001222001} is an apocalyptic number.

It is an amenable number.

220120001222001 is a deficient number, since it is larger than the sum of its proper divisors (78920672023119).

220120001222001 is a wasteful number, since it uses less digits than its factorization.

220120001222001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2386979136.

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

Adding to 220120001222001 its reverse (100222100021022), we get a palindrome (320342101243023).

The spelling of 220120001222001 in words is "two hundred twenty trillion, one hundred twenty billion, one million, two hundred twenty-two thousand, one".