220110022002021 has 16 divisors (see below), whose sum is σ = 299019453270336. Its totient is φ = 143970340939776.

The previous prime is 220110022001993. The next prime is 220110022002061. The reversal of 220110022002021 is 120200220011022.

It is not a de Polignac number, because 220110022002021 - 2²¹ = 220110019904869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220110022002061) 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, 18678306 + ... + 28090908.

It is an arithmetic number, because the mean of its divisors is an integer number (18688715829396).

Almost surely, 2^{220110022002021} is an apocalyptic number.

It is an amenable number.

220110022002021 is a deficient number, since it is larger than the sum of its proper divisors (78909431268315).

220110022002021 is a wasteful number, since it uses less digits than its factorization.

220110022002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9559732.

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

Adding to 220110022002021 its reverse (120200220011022), we get a palindrome (340310242013043).

The spelling of 220110022002021 in words is "two hundred twenty trillion, one hundred ten billion, twenty-two million, two thousand, twenty-one".