20202221001111 has 8 divisors (see below), whose sum is σ = 27664302632304. Its totient is φ = 13104143352000.

The previous prime is 20202221001091. The next prime is 20202221001163. The reversal of 20202221001111 is 11110012220202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20202221001111 - 2²⁶ = 20202153892247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202221001191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91000995390 + ... + 91000995611.

It is an arithmetic number, because the mean of its divisors is an integer number (3458037829038).

Almost surely, 2^{20202221001111} is an apocalyptic number.

20202221001111 is a deficient number, since it is larger than the sum of its proper divisors (7462081631193).

20202221001111 is a wasteful number, since it uses less digits than its factorization.

20202221001111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182001991041.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20202221001111 its reverse (11110012220202), we get a palindrome (31312233221313).

The spelling of 20202221001111 in words is "twenty trillion, two hundred two billion, two hundred twenty-one million, one thousand, one hundred eleven".