220220201020111 has 4 divisors (see below), whose sum is σ = 220605875628424. Its totient is φ = 219834526411800.

The previous prime is 220220201020097. The next prime is 220220201020147. The reversal of 220220201020111 is 111020102022022.

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 220220201020111 - 2³³ = 220211611085519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220220201320111) 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, 192837303300 + ... + 192837304441.

It is an arithmetic number, because the mean of its divisors is an integer number (55151468907106).

Almost surely, 2^{220220201020111} is an apocalyptic number.

220220201020111 is a deficient number, since it is larger than the sum of its proper divisors (385674608313).

220220201020111 is an equidigital number, since it uses as much as digits as its factorization.

220220201020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385674608312.

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

Adding to 220220201020111 its reverse (111020102022022), we get a palindrome (331240303042133).

The spelling of 220220201020111 in words is "two hundred twenty trillion, two hundred twenty billion, two hundred one million, twenty thousand, one hundred eleven".