220211211121201 has 8 divisors (see below), whose sum is σ = 225483328065600. Its totient is φ = 214945954449072.

The previous prime is 220211211121189. The next prime is 220211211121211. The reversal of 220211211121201 is 102121112112022.

It is a happy number.

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 220211211121201 - 2⁴¹ = 218012187865649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220211211121211) 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, 1715003101 + ... + 1715131498.

It is an arithmetic number, because the mean of its divisors is an integer number (28185416008200).

Almost surely, 2^{220211211121201} is an apocalyptic number.

It is an amenable number.

220211211121201 is a deficient number, since it is larger than the sum of its proper divisors (5272116944399).

220211211121201 is a wasteful number, since it uses less digits than its factorization.

220211211121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3430136135.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 220211211121201 its reverse (102121112112022), we get a palindrome (322332323233223).

The spelling of 220211211121201 in words is "two hundred twenty trillion, two hundred eleven billion, two hundred eleven million, one hundred twenty-one thousand, two hundred one".