20202010220111 has 4 divisors (see below), whose sum is σ = 20211802762272. Its totient is φ = 20192217677952.

The previous prime is 20202010220081. The next prime is 20202010220201. The reversal of 20202010220111 is 11102201020202.

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 20202010220111 - 2⁶ = 20202010220047 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 (20202010220411) 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, 4896267986 + ... + 4896272111.

It is an arithmetic number, because the mean of its divisors is an integer number (5052950690568).

Almost surely, 2^{20202010220111} is an apocalyptic number.

20202010220111 is a deficient number, since it is larger than the sum of its proper divisors (9792542161).

20202010220111 is an equidigital number, since it uses as much as digits as its factorization.

20202010220111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9792542160.

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

Adding to 20202010220111 its reverse (11102201020202), we get a palindrome (31304211240313).

The spelling of 20202010220111 in words is "twenty trillion, two hundred two billion, ten million, two hundred twenty thousand, one hundred eleven".