220220102001211 has 4 divisors (see below), whose sum is σ = 237160109847472. Its totient is φ = 203280094154952.

The previous prime is 220220102001191. The next prime is 220220102001223. The reversal of 220220102001211 is 112100201022022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 220220102001211 - 2¹⁹ = 220220101476923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220220172001211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8470003923111 + ... + 8470003923136.

It is an arithmetic number, because the mean of its divisors is an integer number (59290027461868).

Almost surely, 2^{220220102001211} is an apocalyptic number.

220220102001211 is a deficient number, since it is larger than the sum of its proper divisors (16940007846261).

220220102001211 is a wasteful number, since it uses less digits than its factorization.

220220102001211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16940007846260.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220220102001211 its reverse (112100201022022), we get a palindrome (332320303023233).

The spelling of 220220102001211 in words is "two hundred twenty trillion, two hundred twenty billion, one hundred two million, one thousand, two hundred eleven".