220102211201 has 4 divisors (see below), whose sum is σ = 220207980804. Its totient is φ = 219996441600.

The previous prime is 220102211117. The next prime is 220102211221. The reversal of 220102211201 is 102112201022.

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

It can be written as a sum of positive squares in 2 ways, for example, as 84439642225 + 135662568976 = 290585^2 + 368324^2 .

It is a cyclic number.

It is not a de Polignac number, because 220102211201 - 2³⁰ = 219028469377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (220102211221) 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, 52881680 + ... + 52885841.

It is an arithmetic number, because the mean of its divisors is an integer number (55051995201).

Almost surely, 2^220102211201 is an apocalyptic number.

It is an amenable number.

220102211201 is a deficient number, since it is larger than the sum of its proper divisors (105769603).

220102211201 is a wasteful number, since it uses less digits than its factorization.

220102211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105769602.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 220102211201 its reverse (102112201022), we get a palindrome (322214412223).

The spelling of 220102211201 in words is "two hundred twenty billion, one hundred two million, two hundred eleven thousand, two hundred one".