220101010201 has 4 divisors (see below), whose sum is σ = 220246677504. Its totient is φ = 219955342900.

The previous prime is 220101010189. The next prime is 220101010211. The reversal of 220101010201 is 102010101022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 220101010201 - 2²¹ = 220098913049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220101010211) 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, 72831385 + ... + 72834406.

It is an arithmetic number, because the mean of its divisors is an integer number (55061669376).

Almost surely, 2^220101010201 is an apocalyptic number.

It is an amenable number.

220101010201 is a deficient number, since it is larger than the sum of its proper divisors (145667303).

220101010201 is a wasteful number, since it uses less digits than its factorization.

220101010201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145667302.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 220101010201 its reverse (102010101022), we get a palindrome (322111111223).

The spelling of 220101010201 in words is "two hundred twenty billion, one hundred one million, ten thousand, two hundred one".